Home / 4,842.75-7,264.40-1,380.27

Finding the Fourth Proportional to 4,842.75, 7,264.40 and 1,380.27

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Solution

The fourth proportional to 4,842.75, 7,264.40 and 1,380.27 is: 2,070.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.75 : 7,264.40 = 1,380.27 : x
  2. Step 2: Convert to fraction form
    4,842.75/7,264.40 = 1,380.27/x
  3. Step 3: Cross multiply
    4,842.75x = 7,264.40 × 1,380.27
  4. Step 4: Simplify right side
    4,842.75x = 10,026,826.49
  5. Step 5: Solve for x
    x = 10,026,826.49/4,842.75
  6. Step 6: Final answer
    x = 2,070.48

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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.