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Finding the Fourth Proportional to 7,925.77, 10,937.20 and 4,569.19

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Solution

The fourth proportional to 7,925.77, 10,937.20 and 4,569.19 is: 6,305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.77 : 10,937.20 = 4,569.19 : x
  2. Step 2: Convert to fraction form
    7,925.77/10,937.20 = 4,569.19/x
  3. Step 3: Cross multiply
    7,925.77x = 10,937.20 × 4,569.19
  4. Step 4: Simplify right side
    7,925.77x = 49,974,144.87
  5. Step 5: Solve for x
    x = 49,974,144.87/7,925.77
  6. Step 6: Final answer
    x = 6,305.27

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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.