Home / 7,974.09-11,004.21-4,437.30

Finding the Fourth Proportional to 7,974.09, 11,004.21 and 4,437.30

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Solution

The fourth proportional to 7,974.09, 11,004.21 and 4,437.30 is: 6,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.09 : 11,004.21 = 4,437.30 : x
  2. Step 2: Convert to fraction form
    7,974.09/11,004.21 = 4,437.30/x
  3. Step 3: Cross multiply
    7,974.09x = 11,004.21 × 4,437.30
  4. Step 4: Simplify right side
    7,974.09x = 48,828,981.03
  5. Step 5: Solve for x
    x = 48,828,981.03/7,974.09
  6. Step 6: Final answer
    x = 6,123.45

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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.