Home / 4,947.57-7,422.39-1,827.57

Finding the Fourth Proportional to 4,947.57, 7,422.39 and 1,827.57

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Solution

The fourth proportional to 4,947.57, 7,422.39 and 1,827.57 is: 2,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.57 : 7,422.39 = 1,827.57 : x
  2. Step 2: Convert to fraction form
    4,947.57/7,422.39 = 1,827.57/x
  3. Step 3: Cross multiply
    4,947.57x = 7,422.39 × 1,827.57
  4. Step 4: Simplify right side
    4,947.57x = 13,564,937.29
  5. Step 5: Solve for x
    x = 13,564,937.29/4,947.57
  6. Step 6: Final answer
    x = 2,741.74

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1.5x scale

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.