Home / 6,521.78-8,997.26-4,398.68

Finding the Fourth Proportional to 6,521.78, 8,997.26 and 4,398.68

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Solution

The fourth proportional to 6,521.78, 8,997.26 and 4,398.68 is: 6,068.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.78 : 8,997.26 = 4,398.68 : x
  2. Step 2: Convert to fraction form
    6,521.78/8,997.26 = 4,398.68/x
  3. Step 3: Cross multiply
    6,521.78x = 8,997.26 × 4,398.68
  4. Step 4: Simplify right side
    6,521.78x = 39,576,000.64
  5. Step 5: Solve for x
    x = 39,576,000.64/6,521.78
  6. Step 6: Final answer
    x = 6,068.29

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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.