Home / 8,621.51-12,933.01-2,381.52

Finding the Fourth Proportional to 8,621.51, 12,933.01 and 2,381.52

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Solution

The fourth proportional to 8,621.51, 12,933.01 and 2,381.52 is: 3,572.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.51 : 12,933.01 = 2,381.52 : x
  2. Step 2: Convert to fraction form
    8,621.51/12,933.01 = 2,381.52/x
  3. Step 3: Cross multiply
    8,621.51x = 12,933.01 × 2,381.52
  4. Step 4: Simplify right side
    8,621.51x = 30,800,221.98
  5. Step 5: Solve for x
    x = 30,800,221.98/8,621.51
  6. Step 6: Final answer
    x = 3,572.49

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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.