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Finding the Fourth Proportional to 7,569, 10,445.22 and 4,425.12

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Solution

The fourth proportional to 7,569, 10,445.22 and 4,425.12 is: 6,106.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569 : 10,445.22 = 4,425.12 : x
  2. Step 2: Convert to fraction form
    7,569/10,445.22 = 4,425.12/x
  3. Step 3: Cross multiply
    7,569x = 10,445.22 × 4,425.12
  4. Step 4: Simplify right side
    7,569x = 46,221,351.93
  5. Step 5: Solve for x
    x = 46,221,351.93/7,569
  6. Step 6: Final answer
    x = 6,106.67

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Half scale
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Double scale
Find fourth proportional to 7,570, 10,446.60 and 4,426.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.