Home / 6,614.24-9,920.40-1,683.57

Finding the Fourth Proportional to 6,614.24, 9,920.40 and 1,683.57

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Solution

The fourth proportional to 6,614.24, 9,920.40 and 1,683.57 is: 2,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,614.24 : 9,920.40 = 1,683.57 : x
  2. Step 2: Convert to fraction form
    6,614.24/9,920.40 = 1,683.57/x
  3. Step 3: Cross multiply
    6,614.24x = 9,920.40 × 1,683.57
  4. Step 4: Simplify right side
    6,614.24x = 16,701,687.83
  5. Step 5: Solve for x
    x = 16,701,687.83/6,614.24
  6. Step 6: Final answer
    x = 2,525.11

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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.