Home / 6,733.12-9,290.28-3,937.36

Finding the Fourth Proportional to 6,733.12, 9,290.28 and 3,937.36

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Solution

The fourth proportional to 6,733.12, 9,290.28 and 3,937.36 is: 5,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,733.12 : 9,290.28 = 3,937.36 : x
  2. Step 2: Convert to fraction form
    6,733.12/9,290.28 = 3,937.36/x
  3. Step 3: Cross multiply
    6,733.12x = 9,290.28 × 3,937.36
  4. Step 4: Simplify right side
    6,733.12x = 36,579,176.86
  5. Step 5: Solve for x
    x = 36,579,176.86/6,733.12
  6. Step 6: Final answer
    x = 5,432.72

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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.