Home / 7,916.55-10,924.50-4,331.43

Finding the Fourth Proportional to 7,916.55, 10,924.50 and 4,331.43

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Solution

The fourth proportional to 7,916.55, 10,924.50 and 4,331.43 is: 5,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.55 : 10,924.50 = 4,331.43 : x
  2. Step 2: Convert to fraction form
    7,916.55/10,924.50 = 4,331.43/x
  3. Step 3: Cross multiply
    7,916.55x = 10,924.50 × 4,331.43
  4. Step 4: Simplify right side
    7,916.55x = 47,318,707.04
  5. Step 5: Solve for x
    x = 47,318,707.04/7,916.55
  6. Step 6: Final answer
    x = 5,977.19

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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.