Home / 5,106.12-7,646.16-2,792.76

Finding the Fourth Proportional to 5,106.12, 7,646.16 and 2,792.76

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Solution

The fourth proportional to 5,106.12, 7,646.16 and 2,792.76 is: 4,182.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.12 : 7,646.16 = 2,792.76 : x
  2. Step 2: Convert to fraction form
    5,106.12/7,646.16 = 2,792.76/x
  3. Step 3: Cross multiply
    5,106.12x = 7,646.16 × 2,792.76
  4. Step 4: Simplify right side
    5,106.12x = 21,353,889.80
  5. Step 5: Solve for x
    x = 21,353,889.80/5,106.12
  6. Step 6: Final answer
    x = 4,182.02

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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.