Home / 7,974.84-11,004.88-4,389.66

Finding the Fourth Proportional to 7,974.84, 11,004.88 and 4,389.66

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Solution

The fourth proportional to 7,974.84, 11,004.88 and 4,389.66 is: 6,057.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.84 : 11,004.88 = 4,389.66 : x
  2. Step 2: Convert to fraction form
    7,974.84/11,004.88 = 4,389.66/x
  3. Step 3: Cross multiply
    7,974.84x = 11,004.88 × 4,389.66
  4. Step 4: Simplify right side
    7,974.84x = 48,307,681.54
  5. Step 5: Solve for x
    x = 48,307,681.54/7,974.84
  6. Step 6: Final answer
    x = 6,057.51

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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.