Home / 8,002.93-12,004.40-2,160.13

Finding the Fourth Proportional to 8,002.93, 12,004.40 and 2,160.13

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Solution

The fourth proportional to 8,002.93, 12,004.40 and 2,160.13 is: 3,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002.93 : 12,004.40 = 2,160.13 : x
  2. Step 2: Convert to fraction form
    8,002.93/12,004.40 = 2,160.13/x
  3. Step 3: Cross multiply
    8,002.93x = 12,004.40 × 2,160.13
  4. Step 4: Simplify right side
    8,002.93x = 25,931,064.57
  5. Step 5: Solve for x
    x = 25,931,064.57/8,002.93
  6. Step 6: Final answer
    x = 3,240.20

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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.