Home / 4,182.28-6,270.96-1,585.40

Finding the Fourth Proportional to 4,182.28, 6,270.96 and 1,585.40

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Solution

The fourth proportional to 4,182.28, 6,270.96 and 1,585.40 is: 2,377.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.28 : 6,270.96 = 1,585.40 : x
  2. Step 2: Convert to fraction form
    4,182.28/6,270.96 = 1,585.40/x
  3. Step 3: Cross multiply
    4,182.28x = 6,270.96 × 1,585.40
  4. Step 4: Simplify right side
    4,182.28x = 9,941,979.98
  5. Step 5: Solve for x
    x = 9,941,979.98/4,182.28
  6. Step 6: Final answer
    x = 2,377.17

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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.