Home / 5,347.27-7,379.23-2,989.41

Finding the Fourth Proportional to 5,347.27, 7,379.23 and 2,989.41

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Solution

The fourth proportional to 5,347.27, 7,379.23 and 2,989.41 is: 4,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.27 : 7,379.23 = 2,989.41 : x
  2. Step 2: Convert to fraction form
    5,347.27/7,379.23 = 2,989.41/x
  3. Step 3: Cross multiply
    5,347.27x = 7,379.23 × 2,989.41
  4. Step 4: Simplify right side
    5,347.27x = 22,059,506.01
  5. Step 5: Solve for x
    x = 22,059,506.01/5,347.27
  6. Step 6: Final answer
    x = 4,125.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.