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Finding the Fourth Proportional to 6,605.19, 9,856.55 and 5,904.14

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Solution

The fourth proportional to 6,605.19, 9,856.55 and 5,904.14 is: 8,810.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.19 : 9,856.55 = 5,904.14 : x
  2. Step 2: Convert to fraction form
    6,605.19/9,856.55 = 5,904.14/x
  3. Step 3: Cross multiply
    6,605.19x = 9,856.55 × 5,904.14
  4. Step 4: Simplify right side
    6,605.19x = 58,194,414.15
  5. Step 5: Solve for x
    x = 58,194,414.15/6,605.19
  6. Step 6: Final answer
    x = 8,810.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.