Home / 8,989.02-12,404.79-5,010.08

Finding the Fourth Proportional to 8,989.02, 12,404.79 and 5,010.08

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Solution

The fourth proportional to 8,989.02, 12,404.79 and 5,010.08 is: 6,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.02 : 12,404.79 = 5,010.08 : x
  2. Step 2: Convert to fraction form
    8,989.02/12,404.79 = 5,010.08/x
  3. Step 3: Cross multiply
    8,989.02x = 12,404.79 × 5,010.08
  4. Step 4: Simplify right side
    8,989.02x = 62,148,928.26
  5. Step 5: Solve for x
    x = 62,148,928.26/8,989.02
  6. Step 6: Final answer
    x = 6,913.87

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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.