Home / 8,776.95-12,110.68-4,999.71

Finding the Fourth Proportional to 8,776.95, 12,110.68 and 4,999.71

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Solution

The fourth proportional to 8,776.95, 12,110.68 and 4,999.71 is: 6,898.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.95 : 12,110.68 = 4,999.71 : x
  2. Step 2: Convert to fraction form
    8,776.95/12,110.68 = 4,999.71/x
  3. Step 3: Cross multiply
    8,776.95x = 12,110.68 × 4,999.71
  4. Step 4: Simplify right side
    8,776.95x = 60,549,887.90
  5. Step 5: Solve for x
    x = 60,549,887.90/8,776.95
  6. Step 6: Final answer
    x = 6,898.74

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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.