Home / 5,785.08-8,677.64-1,402.53

Finding the Fourth Proportional to 5,785.08, 8,677.64 and 1,402.53

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Solution

The fourth proportional to 5,785.08, 8,677.64 and 1,402.53 is: 2,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.08 : 8,677.64 = 1,402.53 : x
  2. Step 2: Convert to fraction form
    5,785.08/8,677.64 = 1,402.53/x
  3. Step 3: Cross multiply
    5,785.08x = 8,677.64 × 1,402.53
  4. Step 4: Simplify right side
    5,785.08x = 12,170,681.05
  5. Step 5: Solve for x
    x = 12,170,681.05/5,785.08
  6. Step 6: Final answer
    x = 2,103.81

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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.