Home / 6,686.28-10,010.88-4,348.98

Finding the Fourth Proportional to 6,686.28, 10,010.88 and 4,348.98

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Solution

The fourth proportional to 6,686.28, 10,010.88 and 4,348.98 is: 6,511.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.28 : 10,010.88 = 4,348.98 : x
  2. Step 2: Convert to fraction form
    6,686.28/10,010.88 = 4,348.98/x
  3. Step 3: Cross multiply
    6,686.28x = 10,010.88 × 4,348.98
  4. Step 4: Simplify right side
    6,686.28x = 43,537,116.90
  5. Step 5: Solve for x
    x = 43,537,116.90/6,686.28
  6. Step 6: Final answer
    x = 6,511.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.