Home / 7,974.30-11,004.48-4,389.47

Finding the Fourth Proportional to 7,974.30, 11,004.48 and 4,389.47

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Solution

The fourth proportional to 7,974.30, 11,004.48 and 4,389.47 is: 6,057.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.30 : 11,004.48 = 4,389.47 : x
  2. Step 2: Convert to fraction form
    7,974.30/11,004.48 = 4,389.47/x
  3. Step 3: Cross multiply
    7,974.30x = 11,004.48 × 4,389.47
  4. Step 4: Simplify right side
    7,974.30x = 48,303,834.83
  5. Step 5: Solve for x
    x = 48,303,834.83/7,974.30
  6. Step 6: Final answer
    x = 6,057.44

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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.