Home / 6,557.30-9,042.78-4,408.70

Finding the Fourth Proportional to 6,557.30, 9,042.78 and 4,408.70

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Solution

The fourth proportional to 6,557.30, 9,042.78 and 4,408.70 is: 6,079.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557.30 : 9,042.78 = 4,408.70 : x
  2. Step 2: Convert to fraction form
    6,557.30/9,042.78 = 4,408.70/x
  3. Step 3: Cross multiply
    6,557.30x = 9,042.78 × 4,408.70
  4. Step 4: Simplify right side
    6,557.30x = 39,866,858.97
  5. Step 5: Solve for x
    x = 39,866,858.97/6,557.30
  6. Step 6: Final answer
    x = 6,079.77

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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.