Home / 4,228.40-6,348.30-2,475.20

Finding the Fourth Proportional to 4,228.40, 6,348.30 and 2,475.20

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Solution

The fourth proportional to 4,228.40, 6,348.30 and 2,475.20 is: 3,716.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.40 : 6,348.30 = 2,475.20 : x
  2. Step 2: Convert to fraction form
    4,228.40/6,348.30 = 2,475.20/x
  3. Step 3: Cross multiply
    4,228.40x = 6,348.30 × 2,475.20
  4. Step 4: Simplify right side
    4,228.40x = 15,713,312.16
  5. Step 5: Solve for x
    x = 15,713,312.16/4,228.40
  6. Step 6: Final answer
    x = 3,716.14

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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.