Home / 4,317.28-6,475.30-1,395.20

Finding the Fourth Proportional to 4,317.28, 6,475.30 and 1,395.20

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Solution

The fourth proportional to 4,317.28, 6,475.30 and 1,395.20 is: 2,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.28 : 6,475.30 = 1,395.20 : x
  2. Step 2: Convert to fraction form
    4,317.28/6,475.30 = 1,395.20/x
  3. Step 3: Cross multiply
    4,317.28x = 6,475.30 × 1,395.20
  4. Step 4: Simplify right side
    4,317.28x = 9,034,338.56
  5. Step 5: Solve for x
    x = 9,034,338.56/4,317.28
  6. Step 6: Final answer
    x = 2,092.60

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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.