Home / 7,916.85-10,925.26-4,380.59

Finding the Fourth Proportional to 7,916.85, 10,925.26 and 4,380.59

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Solution

The fourth proportional to 7,916.85, 10,925.26 and 4,380.59 is: 6,045.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.85 : 10,925.26 = 4,380.59 : x
  2. Step 2: Convert to fraction form
    7,916.85/10,925.26 = 4,380.59/x
  3. Step 3: Cross multiply
    7,916.85x = 10,925.26 × 4,380.59
  4. Step 4: Simplify right side
    7,916.85x = 47,859,084.70
  5. Step 5: Solve for x
    x = 47,859,084.70/7,916.85
  6. Step 6: Final answer
    x = 6,045.22

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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.