Home / 4,865.13-7,285.10-3,543.45

Finding the Fourth Proportional to 4,865.13, 7,285.10 and 3,543.45

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Solution

The fourth proportional to 4,865.13, 7,285.10 and 3,543.45 is: 5,306.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.13 : 7,285.10 = 3,543.45 : x
  2. Step 2: Convert to fraction form
    4,865.13/7,285.10 = 3,543.45/x
  3. Step 3: Cross multiply
    4,865.13x = 7,285.10 × 3,543.45
  4. Step 4: Simplify right side
    4,865.13x = 25,814,369.88
  5. Step 5: Solve for x
    x = 25,814,369.88/4,865.13
  6. Step 6: Final answer
    x = 5,306.00

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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.