Home / 8,989.02-12,404.48-5,009.94

Finding the Fourth Proportional to 8,989.02, 12,404.48 and 5,009.94

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Solution

The fourth proportional to 8,989.02, 12,404.48 and 5,009.94 is: 6,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.02 : 12,404.48 = 5,009.94 : x
  2. Step 2: Convert to fraction form
    8,989.02/12,404.48 = 5,009.94/x
  3. Step 3: Cross multiply
    8,989.02x = 12,404.48 × 5,009.94
  4. Step 4: Simplify right side
    8,989.02x = 62,145,700.53
  5. Step 5: Solve for x
    x = 62,145,700.53/8,989.02
  6. Step 6: Final answer
    x = 6,913.51

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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.