Home / 8,265.29-12,392.54-2,999.30

Finding the Fourth Proportional to 8,265.29, 12,392.54 and 2,999.30

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Solution

The fourth proportional to 8,265.29, 12,392.54 and 2,999.30 is: 4,496.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.29 : 12,392.54 = 2,999.30 : x
  2. Step 2: Convert to fraction form
    8,265.29/12,392.54 = 2,999.30/x
  3. Step 3: Cross multiply
    8,265.29x = 12,392.54 × 2,999.30
  4. Step 4: Simplify right side
    8,265.29x = 37,168,868.26
  5. Step 5: Solve for x
    x = 37,168,868.26/8,265.29
  6. Step 6: Final answer
    x = 4,496.99

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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.