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Finding the Fourth Proportional to 5,503.81, 7,595.25 and 3,146.00

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Solution

The fourth proportional to 5,503.81, 7,595.25 and 3,146.00 is: 4,341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.81 : 7,595.25 = 3,146.00 : x
  2. Step 2: Convert to fraction form
    5,503.81/7,595.25 = 3,146.00/x
  3. Step 3: Cross multiply
    5,503.81x = 7,595.25 × 3,146.00
  4. Step 4: Simplify right side
    5,503.81x = 23,894,635.71
  5. Step 5: Solve for x
    x = 23,894,635.71/5,503.81
  6. Step 6: Final answer
    x = 4,341.48

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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.