Home / 4,378.40-6,042.04-2,700.50

Finding the Fourth Proportional to 4,378.40, 6,042.04 and 2,700.50

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Solution

The fourth proportional to 4,378.40, 6,042.04 and 2,700.50 is: 3,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.40 : 6,042.04 = 2,700.50 : x
  2. Step 2: Convert to fraction form
    4,378.40/6,042.04 = 2,700.50/x
  3. Step 3: Cross multiply
    4,378.40x = 6,042.04 × 2,700.50
  4. Step 4: Simplify right side
    4,378.40x = 16,316,529.02
  5. Step 5: Solve for x
    x = 16,316,529.02/4,378.40
  6. Step 6: Final answer
    x = 3,726.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.