Home / 8,967.24-12,374.78-4,988.39

Finding the Fourth Proportional to 8,967.24, 12,374.78 and 4,988.39

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Solution

The fourth proportional to 8,967.24, 12,374.78 and 4,988.39 is: 6,883.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.24 : 12,374.78 = 4,988.39 : x
  2. Step 2: Convert to fraction form
    8,967.24/12,374.78 = 4,988.39/x
  3. Step 3: Cross multiply
    8,967.24x = 12,374.78 × 4,988.39
  4. Step 4: Simplify right side
    8,967.24x = 61,730,141.99
  5. Step 5: Solve for x
    x = 61,730,141.99/8,967.24
  6. Step 6: Final answer
    x = 6,883.96

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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.