Home / 6,354.39-8,769.11-3,521.81

Finding the Fourth Proportional to 6,354.39, 8,769.11 and 3,521.81

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Solution

The fourth proportional to 6,354.39, 8,769.11 and 3,521.81 is: 4,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,354.39 : 8,769.11 = 3,521.81 : x
  2. Step 2: Convert to fraction form
    6,354.39/8,769.11 = 3,521.81/x
  3. Step 3: Cross multiply
    6,354.39x = 8,769.11 × 3,521.81
  4. Step 4: Simplify right side
    6,354.39x = 30,883,139.29
  5. Step 5: Solve for x
    x = 30,883,139.29/6,354.39
  6. Step 6: Final answer
    x = 4,860.13

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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.