Home / 6,397.80-9,598.68-2,015.31

Finding the Fourth Proportional to 6,397.80, 9,598.68 and 2,015.31

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Solution

The fourth proportional to 6,397.80, 9,598.68 and 2,015.31 is: 3,023.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,397.80 : 9,598.68 = 2,015.31 : x
  2. Step 2: Convert to fraction form
    6,397.80/9,598.68 = 2,015.31/x
  3. Step 3: Cross multiply
    6,397.80x = 9,598.68 × 2,015.31
  4. Step 4: Simplify right side
    6,397.80x = 19,344,315.79
  5. Step 5: Solve for x
    x = 19,344,315.79/6,397.80
  6. Step 6: Final answer
    x = 3,023.59

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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.