Home / 9,289.60-12,817.70-5,512.23

Finding the Fourth Proportional to 9,289.60, 12,817.70 and 5,512.23

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Solution

The fourth proportional to 9,289.60, 12,817.70 and 5,512.23 is: 7,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.60 : 12,817.70 = 5,512.23 : x
  2. Step 2: Convert to fraction form
    9,289.60/12,817.70 = 5,512.23/x
  3. Step 3: Cross multiply
    9,289.60x = 12,817.70 × 5,512.23
  4. Step 4: Simplify right side
    9,289.60x = 70,654,110.47
  5. Step 5: Solve for x
    x = 70,654,110.47/9,289.60
  6. Step 6: Final answer
    x = 7,605.72

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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.