Home / 4,888.20-7,334.10-1,966.80

Finding the Fourth Proportional to 4,888.20, 7,334.10 and 1,966.80

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Solution

The fourth proportional to 4,888.20, 7,334.10 and 1,966.80 is: 2,950.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.20 : 7,334.10 = 1,966.80 : x
  2. Step 2: Convert to fraction form
    4,888.20/7,334.10 = 1,966.80/x
  3. Step 3: Cross multiply
    4,888.20x = 7,334.10 × 1,966.80
  4. Step 4: Simplify right side
    4,888.20x = 14,424,707.88
  5. Step 5: Solve for x
    x = 14,424,707.88/4,888.20
  6. Step 6: Final answer
    x = 2,950.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.