Home / 8,130.54-12,196.59-2,287.14

Finding the Fourth Proportional to 8,130.54, 12,196.59 and 2,287.14

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Solution

The fourth proportional to 8,130.54, 12,196.59 and 2,287.14 is: 3,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.54 : 12,196.59 = 2,287.14 : x
  2. Step 2: Convert to fraction form
    8,130.54/12,196.59 = 2,287.14/x
  3. Step 3: Cross multiply
    8,130.54x = 12,196.59 × 2,287.14
  4. Step 4: Simplify right side
    8,130.54x = 27,895,308.85
  5. Step 5: Solve for x
    x = 27,895,308.85/8,130.54
  6. Step 6: Final answer
    x = 3,430.93

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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.