Home / 6,540.61-9,023.56-4,020.70

Finding the Fourth Proportional to 6,540.61, 9,023.56 and 4,020.70

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Solution

The fourth proportional to 6,540.61, 9,023.56 and 4,020.70 is: 5,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.61 : 9,023.56 = 4,020.70 : x
  2. Step 2: Convert to fraction form
    6,540.61/9,023.56 = 4,020.70/x
  3. Step 3: Cross multiply
    6,540.61x = 9,023.56 × 4,020.70
  4. Step 4: Simplify right side
    6,540.61x = 36,281,027.69
  5. Step 5: Solve for x
    x = 36,281,027.69/6,540.61
  6. Step 6: Final answer
    x = 5,547.04

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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.