Home / 5,613.16-8,418.30-1,915.24

Finding the Fourth Proportional to 5,613.16, 8,418.30 and 1,915.24

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Solution

The fourth proportional to 5,613.16, 8,418.30 and 1,915.24 is: 2,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.16 : 8,418.30 = 1,915.24 : x
  2. Step 2: Convert to fraction form
    5,613.16/8,418.30 = 1,915.24/x
  3. Step 3: Cross multiply
    5,613.16x = 8,418.30 × 1,915.24
  4. Step 4: Simplify right side
    5,613.16x = 16,123,064.89
  5. Step 5: Solve for x
    x = 16,123,064.89/5,613.16
  6. Step 6: Final answer
    x = 2,872.37

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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.