Home / 7,389.85-11,084.19-2,947.36

Finding the Fourth Proportional to 7,389.85, 11,084.19 and 2,947.36

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Solution

The fourth proportional to 7,389.85, 11,084.19 and 2,947.36 is: 4,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.85 : 11,084.19 = 2,947.36 : x
  2. Step 2: Convert to fraction form
    7,389.85/11,084.19 = 2,947.36/x
  3. Step 3: Cross multiply
    7,389.85x = 11,084.19 × 2,947.36
  4. Step 4: Simplify right side
    7,389.85x = 32,669,098.24
  5. Step 5: Solve for x
    x = 32,669,098.24/7,389.85
  6. Step 6: Final answer
    x = 4,420.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.