Home / 8,098.81-12,145.93-5,132.86

Finding the Fourth Proportional to 8,098.81, 12,145.93 and 5,132.86

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Solution

The fourth proportional to 8,098.81, 12,145.93 and 5,132.86 is: 7,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,098.81 : 12,145.93 = 5,132.86 : x
  2. Step 2: Convert to fraction form
    8,098.81/12,145.93 = 5,132.86/x
  3. Step 3: Cross multiply
    8,098.81x = 12,145.93 × 5,132.86
  4. Step 4: Simplify right side
    8,098.81x = 62,343,358.26
  5. Step 5: Solve for x
    x = 62,343,358.26/8,098.81
  6. Step 6: Final answer
    x = 7,697.84

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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.