Home / 6,345.91-9,521.60-2,648.87

Finding the Fourth Proportional to 6,345.91, 9,521.60 and 2,648.87

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Solution

The fourth proportional to 6,345.91, 9,521.60 and 2,648.87 is: 3,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.91 : 9,521.60 = 2,648.87 : x
  2. Step 2: Convert to fraction form
    6,345.91/9,521.60 = 2,648.87/x
  3. Step 3: Cross multiply
    6,345.91x = 9,521.60 × 2,648.87
  4. Step 4: Simplify right side
    6,345.91x = 25,221,480.59
  5. Step 5: Solve for x
    x = 25,221,480.59/6,345.91
  6. Step 6: Final answer
    x = 3,974.45

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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.