Home / 8,984.16-12,398.27-5,207.58

Finding the Fourth Proportional to 8,984.16, 12,398.27 and 5,207.58

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Solution

The fourth proportional to 8,984.16, 12,398.27 and 5,207.58 is: 7,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.16 : 12,398.27 = 5,207.58 : x
  2. Step 2: Convert to fraction form
    8,984.16/12,398.27 = 5,207.58/x
  3. Step 3: Cross multiply
    8,984.16x = 12,398.27 × 5,207.58
  4. Step 4: Simplify right side
    8,984.16x = 64,564,956.85
  5. Step 5: Solve for x
    x = 64,564,956.85/8,984.16
  6. Step 6: Final answer
    x = 7,186.53

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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.