Home / 6,215.92-8,560.56-5,158.24

Finding the Fourth Proportional to 6,215.92, 8,560.56 and 5,158.24

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Solution

The fourth proportional to 6,215.92, 8,560.56 and 5,158.24 is: 7,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.92 : 8,560.56 = 5,158.24 : x
  2. Step 2: Convert to fraction form
    6,215.92/8,560.56 = 5,158.24/x
  3. Step 3: Cross multiply
    6,215.92x = 8,560.56 × 5,158.24
  4. Step 4: Simplify right side
    6,215.92x = 44,157,423.01
  5. Step 5: Solve for x
    x = 44,157,423.01/6,215.92
  6. Step 6: Final answer
    x = 7,103.92

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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.