Home / 5,332.40-7,992.60-2,560.40

Finding the Fourth Proportional to 5,332.40, 7,992.60 and 2,560.40

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Solution

The fourth proportional to 5,332.40, 7,992.60 and 2,560.40 is: 3,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332.40 : 7,992.60 = 2,560.40 : x
  2. Step 2: Convert to fraction form
    5,332.40/7,992.60 = 2,560.40/x
  3. Step 3: Cross multiply
    5,332.40x = 7,992.60 × 2,560.40
  4. Step 4: Simplify right side
    5,332.40x = 20,464,253.04
  5. Step 5: Solve for x
    x = 20,464,253.04/5,332.40
  6. Step 6: Final answer
    x = 3,837.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.