Home / 8,790.26-12,127.54-5,010.70

Finding the Fourth Proportional to 8,790.26, 12,127.54 and 5,010.70

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Solution

The fourth proportional to 8,790.26, 12,127.54 and 5,010.70 is: 6,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.26 : 12,127.54 = 5,010.70 : x
  2. Step 2: Convert to fraction form
    8,790.26/12,127.54 = 5,010.70/x
  3. Step 3: Cross multiply
    8,790.26x = 12,127.54 × 5,010.70
  4. Step 4: Simplify right side
    8,790.26x = 60,767,464.68
  5. Step 5: Solve for x
    x = 60,767,464.68/8,790.26
  6. Step 6: Final answer
    x = 6,913.05

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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.