Home / 6,639.18-9,958.74-1,708.83

Finding the Fourth Proportional to 6,639.18, 9,958.74 and 1,708.83

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Solution

The fourth proportional to 6,639.18, 9,958.74 and 1,708.83 is: 2,563.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.18 : 9,958.74 = 1,708.83 : x
  2. Step 2: Convert to fraction form
    6,639.18/9,958.74 = 1,708.83/x
  3. Step 3: Cross multiply
    6,639.18x = 9,958.74 × 1,708.83
  4. Step 4: Simplify right side
    6,639.18x = 17,017,793.67
  5. Step 5: Solve for x
    x = 17,017,793.67/6,639.18
  6. Step 6: Final answer
    x = 2,563.24

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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.