Home / 4,878.24-7,329.41-3,124.02

Finding the Fourth Proportional to 4,878.24, 7,329.41 and 3,124.02

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Solution

The fourth proportional to 4,878.24, 7,329.41 and 3,124.02 is: 4,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.24 : 7,329.41 = 3,124.02 : x
  2. Step 2: Convert to fraction form
    4,878.24/7,329.41 = 3,124.02/x
  3. Step 3: Cross multiply
    4,878.24x = 7,329.41 × 3,124.02
  4. Step 4: Simplify right side
    4,878.24x = 22,897,207.81
  5. Step 5: Solve for x
    x = 22,897,207.81/4,878.24
  6. Step 6: Final answer
    x = 4,693.74

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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.