Home / 8,260.32-11,391.96-5,426.88

Finding the Fourth Proportional to 8,260.32, 11,391.96 and 5,426.88

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Solution

The fourth proportional to 8,260.32, 11,391.96 and 5,426.88 is: 7,484.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.32 : 11,391.96 = 5,426.88 : x
  2. Step 2: Convert to fraction form
    8,260.32/11,391.96 = 5,426.88/x
  3. Step 3: Cross multiply
    8,260.32x = 11,391.96 × 5,426.88
  4. Step 4: Simplify right side
    8,260.32x = 61,822,799.88
  5. Step 5: Solve for x
    x = 61,822,799.88/8,260.32
  6. Step 6: Final answer
    x = 7,484.31

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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.