Home / 8,924.84-12,316.44-5,387.24

Finding the Fourth Proportional to 8,924.84, 12,316.44 and 5,387.24

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Solution

The fourth proportional to 8,924.84, 12,316.44 and 5,387.24 is: 7,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.84 : 12,316.44 = 5,387.24 : x
  2. Step 2: Convert to fraction form
    8,924.84/12,316.44 = 5,387.24/x
  3. Step 3: Cross multiply
    8,924.84x = 12,316.44 × 5,387.24
  4. Step 4: Simplify right side
    8,924.84x = 66,351,618.23
  5. Step 5: Solve for x
    x = 66,351,618.23/8,924.84
  6. Step 6: Final answer
    x = 7,434.49

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Similar ratio
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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.