Home / 7,680.16-10,600.14-4,493.80

Finding the Fourth Proportional to 7,680.16, 10,600.14 and 4,493.80

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Solution

The fourth proportional to 7,680.16, 10,600.14 and 4,493.80 is: 6,202.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.16 : 10,600.14 = 4,493.80 : x
  2. Step 2: Convert to fraction form
    7,680.16/10,600.14 = 4,493.80/x
  3. Step 3: Cross multiply
    7,680.16x = 10,600.14 × 4,493.80
  4. Step 4: Simplify right side
    7,680.16x = 47,634,909.13
  5. Step 5: Solve for x
    x = 47,634,909.13/7,680.16
  6. Step 6: Final answer
    x = 6,202.33

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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.