Home / 8,272.54-12,409.62-2,430.01

Finding the Fourth Proportional to 8,272.54, 12,409.62 and 2,430.01

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Solution

The fourth proportional to 8,272.54, 12,409.62 and 2,430.01 is: 3,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.54 : 12,409.62 = 2,430.01 : x
  2. Step 2: Convert to fraction form
    8,272.54/12,409.62 = 2,430.01/x
  3. Step 3: Cross multiply
    8,272.54x = 12,409.62 × 2,430.01
  4. Step 4: Simplify right side
    8,272.54x = 30,155,500.70
  5. Step 5: Solve for x
    x = 30,155,500.70/8,272.54
  6. Step 6: Final answer
    x = 3,645.25

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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.