Home / 8,340.71-11,514.35-4,803.24

Finding the Fourth Proportional to 8,340.71, 11,514.35 and 4,803.24

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Solution

The fourth proportional to 8,340.71, 11,514.35 and 4,803.24 is: 6,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.71 : 11,514.35 = 4,803.24 : x
  2. Step 2: Convert to fraction form
    8,340.71/11,514.35 = 4,803.24/x
  3. Step 3: Cross multiply
    8,340.71x = 11,514.35 × 4,803.24
  4. Step 4: Simplify right side
    8,340.71x = 55,306,162.48
  5. Step 5: Solve for x
    x = 55,306,162.48/8,340.71
  6. Step 6: Final answer
    x = 6,630.87

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Half scale
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Double scale
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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.