Home / 8,722.87-12,031.46-5,737.75

Finding the Fourth Proportional to 8,722.87, 12,031.46 and 5,737.75

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Solution

The fourth proportional to 8,722.87, 12,031.46 and 5,737.75 is: 7,914.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.87 : 12,031.46 = 5,737.75 : x
  2. Step 2: Convert to fraction form
    8,722.87/12,031.46 = 5,737.75/x
  3. Step 3: Cross multiply
    8,722.87x = 12,031.46 × 5,737.75
  4. Step 4: Simplify right side
    8,722.87x = 69,033,509.62
  5. Step 5: Solve for x
    x = 69,033,509.62/8,722.87
  6. Step 6: Final answer
    x = 7,914.08

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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.