Home / 8,064.20-12,089.10-5,292.20

Finding the Fourth Proportional to 8,064.20, 12,089.10 and 5,292.20

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Solution

The fourth proportional to 8,064.20, 12,089.10 and 5,292.20 is: 7,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.20 : 12,089.10 = 5,292.20 : x
  2. Step 2: Convert to fraction form
    8,064.20/12,089.10 = 5,292.20/x
  3. Step 3: Cross multiply
    8,064.20x = 12,089.10 × 5,292.20
  4. Step 4: Simplify right side
    8,064.20x = 63,977,935.02
  5. Step 5: Solve for x
    x = 63,977,935.02/8,064.20
  6. Step 6: Final answer
    x = 7,933.57

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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.