Home / 7,717.40-10,650.01-4,180.61

Finding the Fourth Proportional to 7,717.40, 10,650.01 and 4,180.61

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Solution

The fourth proportional to 7,717.40, 10,650.01 and 4,180.61 is: 5,769.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.40 : 10,650.01 = 4,180.61 : x
  2. Step 2: Convert to fraction form
    7,717.40/10,650.01 = 4,180.61/x
  3. Step 3: Cross multiply
    7,717.40x = 10,650.01 × 4,180.61
  4. Step 4: Simplify right side
    7,717.40x = 44,523,538.31
  5. Step 5: Solve for x
    x = 44,523,538.31/7,717.40
  6. Step 6: Final answer
    x = 5,769.24

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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.