Home / 7,781.11-10,737.75-4,244.35

Finding the Fourth Proportional to 7,781.11, 10,737.75 and 4,244.35

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Solution

The fourth proportional to 7,781.11, 10,737.75 and 4,244.35 is: 5,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781.11 : 10,737.75 = 4,244.35 : x
  2. Step 2: Convert to fraction form
    7,781.11/10,737.75 = 4,244.35/x
  3. Step 3: Cross multiply
    7,781.11x = 10,737.75 × 4,244.35
  4. Step 4: Simplify right side
    7,781.11x = 45,574,769.21
  5. Step 5: Solve for x
    x = 45,574,769.21/7,781.11
  6. Step 6: Final answer
    x = 5,857.10

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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.