Home / 5,346.09-7,377.59-2,988.23

Finding the Fourth Proportional to 5,346.09, 7,377.59 and 2,988.23

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Solution

The fourth proportional to 5,346.09, 7,377.59 and 2,988.23 is: 4,123.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.09 : 7,377.59 = 2,988.23 : x
  2. Step 2: Convert to fraction form
    5,346.09/7,377.59 = 2,988.23/x
  3. Step 3: Cross multiply
    5,346.09x = 7,377.59 × 2,988.23
  4. Step 4: Simplify right side
    5,346.09x = 22,045,961.68
  5. Step 5: Solve for x
    x = 22,045,961.68/5,346.09
  6. Step 6: Final answer
    x = 4,123.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.