Home / 7,348.03-10,145.56-4,519.21

Finding the Fourth Proportional to 7,348.03, 10,145.56 and 4,519.21

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Solution

The fourth proportional to 7,348.03, 10,145.56 and 4,519.21 is: 6,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.03 : 10,145.56 = 4,519.21 : x
  2. Step 2: Convert to fraction form
    7,348.03/10,145.56 = 4,519.21/x
  3. Step 3: Cross multiply
    7,348.03x = 10,145.56 × 4,519.21
  4. Step 4: Simplify right side
    7,348.03x = 45,849,865.48
  5. Step 5: Solve for x
    x = 45,849,865.48/7,348.03
  6. Step 6: Final answer
    x = 6,239.75

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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.