Home / 4,315.60-6,472.26-1,393.12

Finding the Fourth Proportional to 4,315.60, 6,472.26 and 1,393.12

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Solution

The fourth proportional to 4,315.60, 6,472.26 and 1,393.12 is: 2,089.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.60 : 6,472.26 = 1,393.12 : x
  2. Step 2: Convert to fraction form
    4,315.60/6,472.26 = 1,393.12/x
  3. Step 3: Cross multiply
    4,315.60x = 6,472.26 × 1,393.12
  4. Step 4: Simplify right side
    4,315.60x = 9,016,634.85
  5. Step 5: Solve for x
    x = 9,016,634.85/4,315.60
  6. Step 6: Final answer
    x = 2,089.31

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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.