Home / 4,851.12-7,276.71-1,929.42

Finding the Fourth Proportional to 4,851.12, 7,276.71 and 1,929.42

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Solution

The fourth proportional to 4,851.12, 7,276.71 and 1,929.42 is: 2,894.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.12 : 7,276.71 = 1,929.42 : x
  2. Step 2: Convert to fraction form
    4,851.12/7,276.71 = 1,929.42/x
  3. Step 3: Cross multiply
    4,851.12x = 7,276.71 × 1,929.42
  4. Step 4: Simplify right side
    4,851.12x = 14,039,829.81
  5. Step 5: Solve for x
    x = 14,039,829.81/4,851.12
  6. Step 6: Final answer
    x = 2,894.14

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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.