Home / 6,279.90-9,417.09-3,158.70

Finding the Fourth Proportional to 6,279.90, 9,417.09 and 3,158.70

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Solution

The fourth proportional to 6,279.90, 9,417.09 and 3,158.70 is: 4,736.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.90 : 9,417.09 = 3,158.70 : x
  2. Step 2: Convert to fraction form
    6,279.90/9,417.09 = 3,158.70/x
  3. Step 3: Cross multiply
    6,279.90x = 9,417.09 × 3,158.70
  4. Step 4: Simplify right side
    6,279.90x = 29,745,762.18
  5. Step 5: Solve for x
    x = 29,745,762.18/6,279.90
  6. Step 6: Final answer
    x = 4,736.66

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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.