Home / 4,315.20-6,470.88-1,236.48

Finding the Fourth Proportional to 4,315.20, 6,470.88 and 1,236.48

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Solution

The fourth proportional to 4,315.20, 6,470.88 and 1,236.48 is: 1,854.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.20 : 6,470.88 = 1,236.48 : x
  2. Step 2: Convert to fraction form
    4,315.20/6,470.88 = 1,236.48/x
  3. Step 3: Cross multiply
    4,315.20x = 6,470.88 × 1,236.48
  4. Step 4: Simplify right side
    4,315.20x = 8,001,113.70
  5. Step 5: Solve for x
    x = 8,001,113.70/4,315.20
  6. Step 6: Final answer
    x = 1,854.17

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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.