Home / 8,984.39-12,397.73-5,399.53

Finding the Fourth Proportional to 8,984.39, 12,397.73 and 5,399.53

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Solution

The fourth proportional to 8,984.39, 12,397.73 and 5,399.53 is: 7,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.39 : 12,397.73 = 5,399.53 : x
  2. Step 2: Convert to fraction form
    8,984.39/12,397.73 = 5,399.53/x
  3. Step 3: Cross multiply
    8,984.39x = 12,397.73 × 5,399.53
  4. Step 4: Simplify right side
    8,984.39x = 66,941,857.07
  5. Step 5: Solve for x
    x = 66,941,857.07/8,984.39
  6. Step 6: Final answer
    x = 7,450.91

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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.