Home / 8,675.16-12,999.60-5,742.96

Finding the Fourth Proportional to 8,675.16, 12,999.60 and 5,742.96

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Solution

The fourth proportional to 8,675.16, 12,999.60 and 5,742.96 is: 8,605.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.16 : 12,999.60 = 5,742.96 : x
  2. Step 2: Convert to fraction form
    8,675.16/12,999.60 = 5,742.96/x
  3. Step 3: Cross multiply
    8,675.16x = 12,999.60 × 5,742.96
  4. Step 4: Simplify right side
    8,675.16x = 74,656,182.82
  5. Step 5: Solve for x
    x = 74,656,182.82/8,675.16
  6. Step 6: Final answer
    x = 8,605.74

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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.