Home / 7,332.31-10,118.55-3,975.20

Finding the Fourth Proportional to 7,332.31, 10,118.55 and 3,975.20

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Solution

The fourth proportional to 7,332.31, 10,118.55 and 3,975.20 is: 5,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.31 : 10,118.55 = 3,975.20 : x
  2. Step 2: Convert to fraction form
    7,332.31/10,118.55 = 3,975.20/x
  3. Step 3: Cross multiply
    7,332.31x = 10,118.55 × 3,975.20
  4. Step 4: Simplify right side
    7,332.31x = 40,223,259.96
  5. Step 5: Solve for x
    x = 40,223,259.96/7,332.31
  6. Step 6: Final answer
    x = 5,485.76

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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.