Home / 8,715.96-13,057.56-4,328.28

Finding the Fourth Proportional to 8,715.96, 13,057.56 and 4,328.28

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Solution

The fourth proportional to 8,715.96, 13,057.56 and 4,328.28 is: 6,484.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.96 : 13,057.56 = 4,328.28 : x
  2. Step 2: Convert to fraction form
    8,715.96/13,057.56 = 4,328.28/x
  3. Step 3: Cross multiply
    8,715.96x = 13,057.56 × 4,328.28
  4. Step 4: Simplify right side
    8,715.96x = 56,516,775.80
  5. Step 5: Solve for x
    x = 56,516,775.80/8,715.96
  6. Step 6: Final answer
    x = 6,484.29

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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.