Home / 6,310.13-8,708.73-3,657.65

Finding the Fourth Proportional to 6,310.13, 8,708.73 and 3,657.65

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Solution

The fourth proportional to 6,310.13, 8,708.73 and 3,657.65 is: 5,047.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.13 : 8,708.73 = 3,657.65 : x
  2. Step 2: Convert to fraction form
    6,310.13/8,708.73 = 3,657.65/x
  3. Step 3: Cross multiply
    6,310.13x = 8,708.73 × 3,657.65
  4. Step 4: Simplify right side
    6,310.13x = 31,853,442.74
  5. Step 5: Solve for x
    x = 31,853,442.74/6,310.13
  6. Step 6: Final answer
    x = 5,047.99

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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.