Home / 9,289.50-12,819.51-5,097.75

Finding the Fourth Proportional to 9,289.50, 12,819.51 and 5,097.75

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Solution

The fourth proportional to 9,289.50, 12,819.51 and 5,097.75 is: 7,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.50 : 12,819.51 = 5,097.75 : x
  2. Step 2: Convert to fraction form
    9,289.50/12,819.51 = 5,097.75/x
  3. Step 3: Cross multiply
    9,289.50x = 12,819.51 × 5,097.75
  4. Step 4: Simplify right side
    9,289.50x = 65,350,657.10
  5. Step 5: Solve for x
    x = 65,350,657.10/9,289.50
  6. Step 6: Final answer
    x = 7,034.90

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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.