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Finding the Fourth Proportional to 8,410.16, 12,605.16 and 5,941.28

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Solution

The fourth proportional to 8,410.16, 12,605.16 and 5,941.28 is: 8,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,410.16 : 12,605.16 = 5,941.28 : x
  2. Step 2: Convert to fraction form
    8,410.16/12,605.16 = 5,941.28/x
  3. Step 3: Cross multiply
    8,410.16x = 12,605.16 × 5,941.28
  4. Step 4: Simplify right side
    8,410.16x = 74,890,785.00
  5. Step 5: Solve for x
    x = 74,890,785.00/8,410.16
  6. Step 6: Final answer
    x = 8,904.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.