Home / 8,903.04-12,287.88-5,177.04

Finding the Fourth Proportional to 8,903.04, 12,287.88 and 5,177.04

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Solution

The fourth proportional to 8,903.04, 12,287.88 and 5,177.04 is: 7,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.04 : 12,287.88 = 5,177.04 : x
  2. Step 2: Convert to fraction form
    8,903.04/12,287.88 = 5,177.04/x
  3. Step 3: Cross multiply
    8,903.04x = 12,287.88 × 5,177.04
  4. Step 4: Simplify right side
    8,903.04x = 63,614,846.28
  5. Step 5: Solve for x
    x = 63,614,846.28/8,903.04
  6. Step 6: Final answer
    x = 7,145.29

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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.