Home / 5,310.30-7,965.47-1,612.56

Finding the Fourth Proportional to 5,310.30, 7,965.47 and 1,612.56

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Solution

The fourth proportional to 5,310.30, 7,965.47 and 1,612.56 is: 2,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.30 : 7,965.47 = 1,612.56 : x
  2. Step 2: Convert to fraction form
    5,310.30/7,965.47 = 1,612.56/x
  3. Step 3: Cross multiply
    5,310.30x = 7,965.47 × 1,612.56
  4. Step 4: Simplify right side
    5,310.30x = 12,844,798.30
  5. Step 5: Solve for x
    x = 12,844,798.30/5,310.30
  6. Step 6: Final answer
    x = 2,418.85

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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.