Home / 4,851.90-7,278.12-1,565.28

Finding the Fourth Proportional to 4,851.90, 7,278.12 and 1,565.28

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Solution

The fourth proportional to 4,851.90, 7,278.12 and 1,565.28 is: 2,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.90 : 7,278.12 = 1,565.28 : x
  2. Step 2: Convert to fraction form
    4,851.90/7,278.12 = 1,565.28/x
  3. Step 3: Cross multiply
    4,851.90x = 7,278.12 × 1,565.28
  4. Step 4: Simplify right side
    4,851.90x = 11,392,295.67
  5. Step 5: Solve for x
    x = 11,392,295.67/4,851.90
  6. Step 6: Final answer
    x = 2,348.01

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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.