Home / 4,818.40-6,641.70-3,932.68

Finding the Fourth Proportional to 4,818.40, 6,641.70 and 3,932.68

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Solution

The fourth proportional to 4,818.40, 6,641.70 and 3,932.68 is: 5,420.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.40 : 6,641.70 = 3,932.68 : x
  2. Step 2: Convert to fraction form
    4,818.40/6,641.70 = 3,932.68/x
  3. Step 3: Cross multiply
    4,818.40x = 6,641.70 × 3,932.68
  4. Step 4: Simplify right side
    4,818.40x = 26,119,680.76
  5. Step 5: Solve for x
    x = 26,119,680.76/4,818.40
  6. Step 6: Final answer
    x = 5,420.82

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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.