Home / 6,459.04-9,685.30-3,167.20

Finding the Fourth Proportional to 6,459.04, 9,685.30 and 3,167.20

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Solution

The fourth proportional to 6,459.04, 9,685.30 and 3,167.20 is: 4,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.04 : 9,685.30 = 3,167.20 : x
  2. Step 2: Convert to fraction form
    6,459.04/9,685.30 = 3,167.20/x
  3. Step 3: Cross multiply
    6,459.04x = 9,685.30 × 3,167.20
  4. Step 4: Simplify right side
    6,459.04x = 30,675,282.16
  5. Step 5: Solve for x
    x = 30,675,282.16/6,459.04
  6. Step 6: Final answer
    x = 4,749.20

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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.