Home / 4,721.19-7,083.15-1,799.72

Finding the Fourth Proportional to 4,721.19, 7,083.15 and 1,799.72

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Solution

The fourth proportional to 4,721.19, 7,083.15 and 1,799.72 is: 2,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.19 : 7,083.15 = 1,799.72 : x
  2. Step 2: Convert to fraction form
    4,721.19/7,083.15 = 1,799.72/x
  3. Step 3: Cross multiply
    4,721.19x = 7,083.15 × 1,799.72
  4. Step 4: Simplify right side
    4,721.19x = 12,747,671.12
  5. Step 5: Solve for x
    x = 12,747,671.12/4,721.19
  6. Step 6: Final answer
    x = 2,700.10

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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.