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Finding the Fourth Proportional to 7,696.19, 10,619.23 and 4,552.58

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Solution

The fourth proportional to 7,696.19, 10,619.23 and 4,552.58 is: 6,281.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,696.19 : 10,619.23 = 4,552.58 : x
  2. Step 2: Convert to fraction form
    7,696.19/10,619.23 = 4,552.58/x
  3. Step 3: Cross multiply
    7,696.19x = 10,619.23 × 4,552.58
  4. Step 4: Simplify right side
    7,696.19x = 48,344,894.11
  5. Step 5: Solve for x
    x = 48,344,894.11/7,696.19
  6. Step 6: Final answer
    x = 6,281.67

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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.