Home / 7,332.40-10,118.80-3,975.24

Finding the Fourth Proportional to 7,332.40, 10,118.80 and 3,975.24

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Solution

The fourth proportional to 7,332.40, 10,118.80 and 3,975.24 is: 5,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.40 : 10,118.80 = 3,975.24 : x
  2. Step 2: Convert to fraction form
    7,332.40/10,118.80 = 3,975.24/x
  3. Step 3: Cross multiply
    7,332.40x = 10,118.80 × 3,975.24
  4. Step 4: Simplify right side
    7,332.40x = 40,224,658.51
  5. Step 5: Solve for x
    x = 40,224,658.51/7,332.40
  6. Step 6: Final answer
    x = 5,485.88

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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.