Home / 9,104.47-13,681.41-4,947.55

Finding the Fourth Proportional to 9,104.47, 13,681.41 and 4,947.55

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Solution

The fourth proportional to 9,104.47, 13,681.41 and 4,947.55 is: 7,434.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.47 : 13,681.41 = 4,947.55 : x
  2. Step 2: Convert to fraction form
    9,104.47/13,681.41 = 4,947.55/x
  3. Step 3: Cross multiply
    9,104.47x = 13,681.41 × 4,947.55
  4. Step 4: Simplify right side
    9,104.47x = 67,689,366.90
  5. Step 5: Solve for x
    x = 67,689,366.90/9,104.47
  6. Step 6: Final answer
    x = 7,434.74

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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.