Home / 6,920.80-9,548.88-4,126.24

Finding the Fourth Proportional to 6,920.80, 9,548.88 and 4,126.24

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Solution

The fourth proportional to 6,920.80, 9,548.88 and 4,126.24 is: 5,693.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.80 : 9,548.88 = 4,126.24 : x
  2. Step 2: Convert to fraction form
    6,920.80/9,548.88 = 4,126.24/x
  3. Step 3: Cross multiply
    6,920.80x = 9,548.88 × 4,126.24
  4. Step 4: Simplify right side
    6,920.80x = 39,400,970.61
  5. Step 5: Solve for x
    x = 39,400,970.61/6,920.80
  6. Step 6: Final answer
    x = 5,693.12

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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.