Home / 10,439.88-15,652.08-3,864.84

Finding the Fourth Proportional to 10,439.88, 15,652.08 and 3,864.84

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Solution

The fourth proportional to 10,439.88, 15,652.08 and 3,864.84 is: 5,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.88 : 15,652.08 = 3,864.84 : x
  2. Step 2: Convert to fraction form
    10,439.88/15,652.08 = 3,864.84/x
  3. Step 3: Cross multiply
    10,439.88x = 15,652.08 × 3,864.84
  4. Step 4: Simplify right side
    10,439.88x = 60,492,784.87
  5. Step 5: Solve for x
    x = 60,492,784.87/10,439.88
  6. Step 6: Final answer
    x = 5,794.39

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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.