Home / 8,903.04-12,272.56-6,661.52

Finding the Fourth Proportional to 8,903.04, 12,272.56 and 6,661.52

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Solution

The fourth proportional to 8,903.04, 12,272.56 and 6,661.52 is: 9,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.04 : 12,272.56 = 6,661.52 : x
  2. Step 2: Convert to fraction form
    8,903.04/12,272.56 = 6,661.52/x
  3. Step 3: Cross multiply
    8,903.04x = 12,272.56 × 6,661.52
  4. Step 4: Simplify right side
    8,903.04x = 81,753,903.89
  5. Step 5: Solve for x
    x = 81,753,903.89/8,903.04
  6. Step 6: Final answer
    x = 9,182.70

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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.