Home / 8,988.53-13,486.97-3,440.04

Finding the Fourth Proportional to 8,988.53, 13,486.97 and 3,440.04

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Solution

The fourth proportional to 8,988.53, 13,486.97 and 3,440.04 is: 5,161.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.53 : 13,486.97 = 3,440.04 : x
  2. Step 2: Convert to fraction form
    8,988.53/13,486.97 = 3,440.04/x
  3. Step 3: Cross multiply
    8,988.53x = 13,486.97 × 3,440.04
  4. Step 4: Simplify right side
    8,988.53x = 46,395,699.08
  5. Step 5: Solve for x
    x = 46,395,699.08/8,988.53
  6. Step 6: Final answer
    x = 5,161.66

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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.