Home / 8,069.61-11,129.90-5,838.87

Finding the Fourth Proportional to 8,069.61, 11,129.90 and 5,838.87

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Solution

The fourth proportional to 8,069.61, 11,129.90 and 5,838.87 is: 8,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069.61 : 11,129.90 = 5,838.87 : x
  2. Step 2: Convert to fraction form
    8,069.61/11,129.90 = 5,838.87/x
  3. Step 3: Cross multiply
    8,069.61x = 11,129.90 × 5,838.87
  4. Step 4: Simplify right side
    8,069.61x = 64,986,039.21
  5. Step 5: Solve for x
    x = 64,986,039.21/8,069.61
  6. Step 6: Final answer
    x = 8,053.18

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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.