Home / 8,747.02-12,064.89-5,207.50

Finding the Fourth Proportional to 8,747.02, 12,064.89 and 5,207.50

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Solution

The fourth proportional to 8,747.02, 12,064.89 and 5,207.50 is: 7,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.02 : 12,064.89 = 5,207.50 : x
  2. Step 2: Convert to fraction form
    8,747.02/12,064.89 = 5,207.50/x
  3. Step 3: Cross multiply
    8,747.02x = 12,064.89 × 5,207.50
  4. Step 4: Simplify right side
    8,747.02x = 62,827,914.68
  5. Step 5: Solve for x
    x = 62,827,914.68/8,747.02
  6. Step 6: Final answer
    x = 7,182.78

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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.