Home / 5,487.72-7,564.44-4,156.08

Finding the Fourth Proportional to 5,487.72, 7,564.44 and 4,156.08

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Solution

The fourth proportional to 5,487.72, 7,564.44 and 4,156.08 is: 5,728.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.72 : 7,564.44 = 4,156.08 : x
  2. Step 2: Convert to fraction form
    5,487.72/7,564.44 = 4,156.08/x
  3. Step 3: Cross multiply
    5,487.72x = 7,564.44 × 4,156.08
  4. Step 4: Simplify right side
    5,487.72x = 31,438,417.80
  5. Step 5: Solve for x
    x = 31,438,417.80/5,487.72
  6. Step 6: Final answer
    x = 5,728.87

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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.