Home / 6,520.60-9,001.02-4,166.20

Finding the Fourth Proportional to 6,520.60, 9,001.02 and 4,166.20

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Solution

The fourth proportional to 6,520.60, 9,001.02 and 4,166.20 is: 5,751.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.60 : 9,001.02 = 4,166.20 : x
  2. Step 2: Convert to fraction form
    6,520.60/9,001.02 = 4,166.20/x
  3. Step 3: Cross multiply
    6,520.60x = 9,001.02 × 4,166.20
  4. Step 4: Simplify right side
    6,520.60x = 37,500,049.52
  5. Step 5: Solve for x
    x = 37,500,049.52/6,520.60
  6. Step 6: Final answer
    x = 5,751.01

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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.