Home / 5,124.08-7,680.45-2,003.51

Finding the Fourth Proportional to 5,124.08, 7,680.45 and 2,003.51

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Solution

The fourth proportional to 5,124.08, 7,680.45 and 2,003.51 is: 3,003.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.08 : 7,680.45 = 2,003.51 : x
  2. Step 2: Convert to fraction form
    5,124.08/7,680.45 = 2,003.51/x
  3. Step 3: Cross multiply
    5,124.08x = 7,680.45 × 2,003.51
  4. Step 4: Simplify right side
    5,124.08x = 15,387,858.38
  5. Step 5: Solve for x
    x = 15,387,858.38/5,124.08
  6. Step 6: Final answer
    x = 3,003.05

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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.