Home / 5,162.88-7,756.98-3,314.76

Finding the Fourth Proportional to 5,162.88, 7,756.98 and 3,314.76

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Solution

The fourth proportional to 5,162.88, 7,756.98 and 3,314.76 is: 4,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.88 : 7,756.98 = 3,314.76 : x
  2. Step 2: Convert to fraction form
    5,162.88/7,756.98 = 3,314.76/x
  3. Step 3: Cross multiply
    5,162.88x = 7,756.98 × 3,314.76
  4. Step 4: Simplify right side
    5,162.88x = 25,712,527.02
  5. Step 5: Solve for x
    x = 25,712,527.02/5,162.88
  6. Step 6: Final answer
    x = 4,980.27

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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.