Home / 5,298.51-7,948.68-2,180.22

Finding the Fourth Proportional to 5,298.51, 7,948.68 and 2,180.22

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Solution

The fourth proportional to 5,298.51, 7,948.68 and 2,180.22 is: 3,270.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.51 : 7,948.68 = 2,180.22 : x
  2. Step 2: Convert to fraction form
    5,298.51/7,948.68 = 2,180.22/x
  3. Step 3: Cross multiply
    5,298.51x = 7,948.68 × 2,180.22
  4. Step 4: Simplify right side
    5,298.51x = 17,329,871.11
  5. Step 5: Solve for x
    x = 17,329,871.11/5,298.51
  6. Step 6: Final answer
    x = 3,270.71

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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.