Home / 6,543.84-9,815.46-1,613.52

Finding the Fourth Proportional to 6,543.84, 9,815.46 and 1,613.52

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Solution

The fourth proportional to 6,543.84, 9,815.46 and 1,613.52 is: 2,420.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.84 : 9,815.46 = 1,613.52 : x
  2. Step 2: Convert to fraction form
    6,543.84/9,815.46 = 1,613.52/x
  3. Step 3: Cross multiply
    6,543.84x = 9,815.46 × 1,613.52
  4. Step 4: Simplify right side
    6,543.84x = 15,837,441.02
  5. Step 5: Solve for x
    x = 15,837,441.02/6,543.84
  6. Step 6: Final answer
    x = 2,420.21

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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.