Home / 4,384.80-6,572.40-1,919.20

Finding the Fourth Proportional to 4,384.80, 6,572.40 and 1,919.20

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Solution

The fourth proportional to 4,384.80, 6,572.40 and 1,919.20 is: 2,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,384.80 : 6,572.40 = 1,919.20 : x
  2. Step 2: Convert to fraction form
    4,384.80/6,572.40 = 1,919.20/x
  3. Step 3: Cross multiply
    4,384.80x = 6,572.40 × 1,919.20
  4. Step 4: Simplify right side
    4,384.80x = 12,613,750.08
  5. Step 5: Solve for x
    x = 12,613,750.08/4,384.80
  6. Step 6: Final answer
    x = 2,876.70

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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.