Home / 4,378.95-6,043.13-2,490.71

Finding the Fourth Proportional to 4,378.95, 6,043.13 and 2,490.71

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Solution

The fourth proportional to 4,378.95, 6,043.13 and 2,490.71 is: 3,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.95 : 6,043.13 = 2,490.71 : x
  2. Step 2: Convert to fraction form
    4,378.95/6,043.13 = 2,490.71/x
  3. Step 3: Cross multiply
    4,378.95x = 6,043.13 × 2,490.71
  4. Step 4: Simplify right side
    4,378.95x = 15,051,684.73
  5. Step 5: Solve for x
    x = 15,051,684.73/4,378.95
  6. Step 6: Final answer
    x = 3,437.28

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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.