Home / 6,522.30-9,000.45-4,165.20

Finding the Fourth Proportional to 6,522.30, 9,000.45 and 4,165.20

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Solution

The fourth proportional to 6,522.30, 9,000.45 and 4,165.20 is: 5,747.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,522.30 : 9,000.45 = 4,165.20 : x
  2. Step 2: Convert to fraction form
    6,522.30/9,000.45 = 4,165.20/x
  3. Step 3: Cross multiply
    6,522.30x = 9,000.45 × 4,165.20
  4. Step 4: Simplify right side
    6,522.30x = 37,488,674.34
  5. Step 5: Solve for x
    x = 37,488,674.34/6,522.30
  6. Step 6: Final answer
    x = 5,747.77

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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.