Home / 8,130.07-12,194.91-3,747.52

Finding the Fourth Proportional to 8,130.07, 12,194.91 and 3,747.52

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Solution

The fourth proportional to 8,130.07, 12,194.91 and 3,747.52 is: 5,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.07 : 12,194.91 = 3,747.52 : x
  2. Step 2: Convert to fraction form
    8,130.07/12,194.91 = 3,747.52/x
  3. Step 3: Cross multiply
    8,130.07x = 12,194.91 × 3,747.52
  4. Step 4: Simplify right side
    8,130.07x = 45,700,707.23
  5. Step 5: Solve for x
    x = 45,700,707.23/8,130.07
  6. Step 6: Final answer
    x = 5,621.20

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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.