Home / 4,378.86-6,042.15-2,515.50

Finding the Fourth Proportional to 4,378.86, 6,042.15 and 2,515.50

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Solution

The fourth proportional to 4,378.86, 6,042.15 and 2,515.50 is: 3,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.86 : 6,042.15 = 2,515.50 : x
  2. Step 2: Convert to fraction form
    4,378.86/6,042.15 = 2,515.50/x
  3. Step 3: Cross multiply
    4,378.86x = 6,042.15 × 2,515.50
  4. Step 4: Simplify right side
    4,378.86x = 15,199,028.33
  5. Step 5: Solve for x
    x = 15,199,028.33/4,378.86
  6. Step 6: Final answer
    x = 3,471.00

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1.5x scale

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.