Home / 8,709.93-12,029.61-5,872.43

Finding the Fourth Proportional to 8,709.93, 12,029.61 and 5,872.43

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Solution

The fourth proportional to 8,709.93, 12,029.61 and 5,872.43 is: 8,110.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.93 : 12,029.61 = 5,872.43 : x
  2. Step 2: Convert to fraction form
    8,709.93/12,029.61 = 5,872.43/x
  3. Step 3: Cross multiply
    8,709.93x = 12,029.61 × 5,872.43
  4. Step 4: Simplify right side
    8,709.93x = 70,643,094.75
  5. Step 5: Solve for x
    x = 70,643,094.75/8,709.93
  6. Step 6: Final answer
    x = 8,110.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.