Home / 6,306.24-9,459.28-2,145.12

Finding the Fourth Proportional to 6,306.24, 9,459.28 and 2,145.12

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Solution

The fourth proportional to 6,306.24, 9,459.28 and 2,145.12 is: 3,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,306.24 : 9,459.28 = 2,145.12 : x
  2. Step 2: Convert to fraction form
    6,306.24/9,459.28 = 2,145.12/x
  3. Step 3: Cross multiply
    6,306.24x = 9,459.28 × 2,145.12
  4. Step 4: Simplify right side
    6,306.24x = 20,291,290.71
  5. Step 5: Solve for x
    x = 20,291,290.71/6,306.24
  6. Step 6: Final answer
    x = 3,217.65

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1.5x scale

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.