Home / 9,143.25-12,617.70-4,951.50

Finding the Fourth Proportional to 9,143.25, 12,617.70 and 4,951.50

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Solution

The fourth proportional to 9,143.25, 12,617.70 and 4,951.50 is: 6,833.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.25 : 12,617.70 = 4,951.50 : x
  2. Step 2: Convert to fraction form
    9,143.25/12,617.70 = 4,951.50/x
  3. Step 3: Cross multiply
    9,143.25x = 12,617.70 × 4,951.50
  4. Step 4: Simplify right side
    9,143.25x = 62,476,541.55
  5. Step 5: Solve for x
    x = 62,476,541.55/9,143.25
  6. Step 6: Final answer
    x = 6,833.08

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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.