Home / 8,804.32-12,149.64-5,265.70

Finding the Fourth Proportional to 8,804.32, 12,149.64 and 5,265.70

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Solution

The fourth proportional to 8,804.32, 12,149.64 and 5,265.70 is: 7,266.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.32 : 12,149.64 = 5,265.70 : x
  2. Step 2: Convert to fraction form
    8,804.32/12,149.64 = 5,265.70/x
  3. Step 3: Cross multiply
    8,804.32x = 12,149.64 × 5,265.70
  4. Step 4: Simplify right side
    8,804.32x = 63,976,359.35
  5. Step 5: Solve for x
    x = 63,976,359.35/8,804.32
  6. Step 6: Final answer
    x = 7,266.47

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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.