Home / 5,307.57-7,324.83-2,950.20

Finding the Fourth Proportional to 5,307.57, 7,324.83 and 2,950.20

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Solution

The fourth proportional to 5,307.57, 7,324.83 and 2,950.20 is: 4,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.57 : 7,324.83 = 2,950.20 : x
  2. Step 2: Convert to fraction form
    5,307.57/7,324.83 = 2,950.20/x
  3. Step 3: Cross multiply
    5,307.57x = 7,324.83 × 2,950.20
  4. Step 4: Simplify right side
    5,307.57x = 21,609,713.47
  5. Step 5: Solve for x
    x = 21,609,713.47/5,307.57
  6. Step 6: Final answer
    x = 4,071.49

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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.