Home / 5,554.38-7,663.56-3,315.24

Finding the Fourth Proportional to 5,554.38, 7,663.56 and 3,315.24

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Solution

The fourth proportional to 5,554.38, 7,663.56 and 3,315.24 is: 4,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.38 : 7,663.56 = 3,315.24 : x
  2. Step 2: Convert to fraction form
    5,554.38/7,663.56 = 3,315.24/x
  3. Step 3: Cross multiply
    5,554.38x = 7,663.56 × 3,315.24
  4. Step 4: Simplify right side
    5,554.38x = 25,406,540.65
  5. Step 5: Solve for x
    x = 25,406,540.65/5,554.38
  6. Step 6: Final answer
    x = 4,574.15

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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.