Home / 4,306.12-6,459.30-1,228.12

Finding the Fourth Proportional to 4,306.12, 6,459.30 and 1,228.12

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Solution

The fourth proportional to 4,306.12, 6,459.30 and 1,228.12 is: 1,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,306.12 : 6,459.30 = 1,228.12 : x
  2. Step 2: Convert to fraction form
    4,306.12/6,459.30 = 1,228.12/x
  3. Step 3: Cross multiply
    4,306.12x = 6,459.30 × 1,228.12
  4. Step 4: Simplify right side
    4,306.12x = 7,932,795.52
  5. Step 5: Solve for x
    x = 7,932,795.52/4,306.12
  6. Step 6: Final answer
    x = 1,842.21

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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.