Home / 6,522.47-8,997.68-4,128.40

Finding the Fourth Proportional to 6,522.47, 8,997.68 and 4,128.40

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Solution

The fourth proportional to 6,522.47, 8,997.68 and 4,128.40 is: 5,695.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,522.47 : 8,997.68 = 4,128.40 : x
  2. Step 2: Convert to fraction form
    6,522.47/8,997.68 = 4,128.40/x
  3. Step 3: Cross multiply
    6,522.47x = 8,997.68 × 4,128.40
  4. Step 4: Simplify right side
    6,522.47x = 37,146,043.68
  5. Step 5: Solve for x
    x = 37,146,043.68/6,522.47
  6. Step 6: Final answer
    x = 5,695.08

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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.