Home / 5,785.11-8,677.53-1,402.56

Finding the Fourth Proportional to 5,785.11, 8,677.53 and 1,402.56

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Solution

The fourth proportional to 5,785.11, 8,677.53 and 1,402.56 is: 2,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.11 : 8,677.53 = 1,402.56 : x
  2. Step 2: Convert to fraction form
    5,785.11/8,677.53 = 1,402.56/x
  3. Step 3: Cross multiply
    5,785.11x = 8,677.53 × 1,402.56
  4. Step 4: Simplify right side
    5,785.11x = 12,170,756.48
  5. Step 5: Solve for x
    x = 12,170,756.48/5,785.11
  6. Step 6: Final answer
    x = 2,103.81

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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.