Home / 5,013.45-6,915.90-4,070.28

Finding the Fourth Proportional to 5,013.45, 6,915.90 and 4,070.28

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Solution

The fourth proportional to 5,013.45, 6,915.90 and 4,070.28 is: 5,614.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.45 : 6,915.90 = 4,070.28 : x
  2. Step 2: Convert to fraction form
    5,013.45/6,915.90 = 4,070.28/x
  3. Step 3: Cross multiply
    5,013.45x = 6,915.90 × 4,070.28
  4. Step 4: Simplify right side
    5,013.45x = 28,149,649.45
  5. Step 5: Solve for x
    x = 28,149,649.45/5,013.45
  6. Step 6: Final answer
    x = 5,614.83

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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.