Home / 7,453.12-11,182.40-3,943.32

Finding the Fourth Proportional to 7,453.12, 11,182.40 and 3,943.32

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Solution

The fourth proportional to 7,453.12, 11,182.40 and 3,943.32 is: 5,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.12 : 11,182.40 = 3,943.32 : x
  2. Step 2: Convert to fraction form
    7,453.12/11,182.40 = 3,943.32/x
  3. Step 3: Cross multiply
    7,453.12x = 11,182.40 × 3,943.32
  4. Step 4: Simplify right side
    7,453.12x = 44,095,781.57
  5. Step 5: Solve for x
    x = 44,095,781.57/7,453.12
  6. Step 6: Final answer
    x = 5,916.42

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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.