Home / 8,187.48-11,293.02-5,499.90

Finding the Fourth Proportional to 8,187.48, 11,293.02 and 5,499.90

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Solution

The fourth proportional to 8,187.48, 11,293.02 and 5,499.90 is: 7,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.48 : 11,293.02 = 5,499.90 : x
  2. Step 2: Convert to fraction form
    8,187.48/11,293.02 = 5,499.90/x
  3. Step 3: Cross multiply
    8,187.48x = 11,293.02 × 5,499.90
  4. Step 4: Simplify right side
    8,187.48x = 62,110,480.70
  5. Step 5: Solve for x
    x = 62,110,480.70/8,187.48
  6. Step 6: Final answer
    x = 7,586.03

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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.