Home / 6,011.52-8,301.60-3,920.64

Finding the Fourth Proportional to 6,011.52, 8,301.60 and 3,920.64

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Solution

The fourth proportional to 6,011.52, 8,301.60 and 3,920.64 is: 5,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,011.52 : 8,301.60 = 3,920.64 : x
  2. Step 2: Convert to fraction form
    6,011.52/8,301.60 = 3,920.64/x
  3. Step 3: Cross multiply
    6,011.52x = 8,301.60 × 3,920.64
  4. Step 4: Simplify right side
    6,011.52x = 32,547,585.02
  5. Step 5: Solve for x
    x = 32,547,585.02/6,011.52
  6. Step 6: Final answer
    x = 5,414.20

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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.