Home / 7,070.18-9,761.73-4,418.78

Finding the Fourth Proportional to 7,070.18, 9,761.73 and 4,418.78

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Solution

The fourth proportional to 7,070.18, 9,761.73 and 4,418.78 is: 6,100.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.18 : 9,761.73 = 4,418.78 : x
  2. Step 2: Convert to fraction form
    7,070.18/9,761.73 = 4,418.78/x
  3. Step 3: Cross multiply
    7,070.18x = 9,761.73 × 4,418.78
  4. Step 4: Simplify right side
    7,070.18x = 43,134,937.29
  5. Step 5: Solve for x
    x = 43,134,937.29/7,070.18
  6. Step 6: Final answer
    x = 6,100.97

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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.