Home / 8,776.98-12,112.19-5,000.31

Finding the Fourth Proportional to 8,776.98, 12,112.19 and 5,000.31

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Solution

The fourth proportional to 8,776.98, 12,112.19 and 5,000.31 is: 6,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.98 : 12,112.19 = 5,000.31 : x
  2. Step 2: Convert to fraction form
    8,776.98/12,112.19 = 5,000.31/x
  3. Step 3: Cross multiply
    8,776.98x = 12,112.19 × 5,000.31
  4. Step 4: Simplify right side
    8,776.98x = 60,564,679.78
  5. Step 5: Solve for x
    x = 60,564,679.78/8,776.98
  6. Step 6: Final answer
    x = 6,900.40

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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.