Home / 5,008.20-7,513.08-1,721.40

Finding the Fourth Proportional to 5,008.20, 7,513.08 and 1,721.40

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Solution

The fourth proportional to 5,008.20, 7,513.08 and 1,721.40 is: 2,582.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.20 : 7,513.08 = 1,721.40 : x
  2. Step 2: Convert to fraction form
    5,008.20/7,513.08 = 1,721.40/x
  3. Step 3: Cross multiply
    5,008.20x = 7,513.08 × 1,721.40
  4. Step 4: Simplify right side
    5,008.20x = 12,933,015.91
  5. Step 5: Solve for x
    x = 12,933,015.91/5,008.20
  6. Step 6: Final answer
    x = 2,582.37

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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.