Home / 7,738.48-10,680.84-4,756.90

Finding the Fourth Proportional to 7,738.48, 10,680.84 and 4,756.90

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Solution

The fourth proportional to 7,738.48, 10,680.84 and 4,756.90 is: 6,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.48 : 10,680.84 = 4,756.90 : x
  2. Step 2: Convert to fraction form
    7,738.48/10,680.84 = 4,756.90/x
  3. Step 3: Cross multiply
    7,738.48x = 10,680.84 × 4,756.90
  4. Step 4: Simplify right side
    7,738.48x = 50,807,687.80
  5. Step 5: Solve for x
    x = 50,807,687.80/7,738.48
  6. Step 6: Final answer
    x = 6,565.59

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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.