Home / 4,852.78-7,282.71-1,931.92

Finding the Fourth Proportional to 4,852.78, 7,282.71 and 1,931.92

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Solution

The fourth proportional to 4,852.78, 7,282.71 and 1,931.92 is: 2,899.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,852.78 : 7,282.71 = 1,931.92 : x
  2. Step 2: Convert to fraction form
    4,852.78/7,282.71 = 1,931.92/x
  3. Step 3: Cross multiply
    4,852.78x = 7,282.71 × 1,931.92
  4. Step 4: Simplify right side
    4,852.78x = 14,069,594.90
  5. Step 5: Solve for x
    x = 14,069,594.90/4,852.78
  6. Step 6: Final answer
    x = 2,899.29

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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.