Home / 8,989.02-13,486.16-4,609.53

Finding the Fourth Proportional to 8,989.02, 13,486.16 and 4,609.53

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Solution

The fourth proportional to 8,989.02, 13,486.16 and 4,609.53 is: 6,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.02 : 13,486.16 = 4,609.53 : x
  2. Step 2: Convert to fraction form
    8,989.02/13,486.16 = 4,609.53/x
  3. Step 3: Cross multiply
    8,989.02x = 13,486.16 × 4,609.53
  4. Step 4: Simplify right side
    8,989.02x = 62,164,859.10
  5. Step 5: Solve for x
    x = 62,164,859.10/8,989.02
  6. Step 6: Final answer
    x = 6,915.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.