Home / 7,352.32-10,145.60-4,040.32

Finding the Fourth Proportional to 7,352.32, 10,145.60 and 4,040.32

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Solution

The fourth proportional to 7,352.32, 10,145.60 and 4,040.32 is: 5,575.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.32 : 10,145.60 = 4,040.32 : x
  2. Step 2: Convert to fraction form
    7,352.32/10,145.60 = 4,040.32/x
  3. Step 3: Cross multiply
    7,352.32x = 10,145.60 × 4,040.32
  4. Step 4: Simplify right side
    7,352.32x = 40,991,470.59
  5. Step 5: Solve for x
    x = 40,991,470.59/7,352.32
  6. Step 6: Final answer
    x = 5,575.31

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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.