Home / 4,320.50-6,447.03-3,855.08

Finding the Fourth Proportional to 4,320.50, 6,447.03 and 3,855.08

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Solution

The fourth proportional to 4,320.50, 6,447.03 and 3,855.08 is: 5,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.50 : 6,447.03 = 3,855.08 : x
  2. Step 2: Convert to fraction form
    4,320.50/6,447.03 = 3,855.08/x
  3. Step 3: Cross multiply
    4,320.50x = 6,447.03 × 3,855.08
  4. Step 4: Simplify right side
    4,320.50x = 24,853,784.18
  5. Step 5: Solve for x
    x = 24,853,784.18/4,320.50
  6. Step 6: Final answer
    x = 5,752.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.