Home / 6,340.48-8,752.80-3,686.92

Finding the Fourth Proportional to 6,340.48, 8,752.80 and 3,686.92

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Solution

The fourth proportional to 6,340.48, 8,752.80 and 3,686.92 is: 5,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.48 : 8,752.80 = 3,686.92 : x
  2. Step 2: Convert to fraction form
    6,340.48/8,752.80 = 3,686.92/x
  3. Step 3: Cross multiply
    6,340.48x = 8,752.80 × 3,686.92
  4. Step 4: Simplify right side
    6,340.48x = 32,270,873.38
  5. Step 5: Solve for x
    x = 32,270,873.38/6,340.48
  6. Step 6: Final answer
    x = 5,089.66

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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.