Home / 4,875.63-7,315.48-3,122.61

Finding the Fourth Proportional to 4,875.63, 7,315.48 and 3,122.61

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Solution

The fourth proportional to 4,875.63, 7,315.48 and 3,122.61 is: 4,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.63 : 7,315.48 = 3,122.61 : x
  2. Step 2: Convert to fraction form
    4,875.63/7,315.48 = 3,122.61/x
  3. Step 3: Cross multiply
    4,875.63x = 7,315.48 × 3,122.61
  4. Step 4: Simplify right side
    4,875.63x = 22,843,367.47
  5. Step 5: Solve for x
    x = 22,843,367.47/4,875.63
  6. Step 6: Final answer
    x = 4,685.21

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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.