Home / 6,644.18-9,172.26-5,148.71

Finding the Fourth Proportional to 6,644.18, 9,172.26 and 5,148.71

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Solution

The fourth proportional to 6,644.18, 9,172.26 and 5,148.71 is: 7,107.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.18 : 9,172.26 = 5,148.71 : x
  2. Step 2: Convert to fraction form
    6,644.18/9,172.26 = 5,148.71/x
  3. Step 3: Cross multiply
    6,644.18x = 9,172.26 × 5,148.71
  4. Step 4: Simplify right side
    6,644.18x = 47,225,306.78
  5. Step 5: Solve for x
    x = 47,225,306.78/6,644.18
  6. Step 6: Final answer
    x = 7,107.77

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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.