Home / 7,332.14-10,118.55-4,145.55

Finding the Fourth Proportional to 7,332.14, 10,118.55 and 4,145.55

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Solution

The fourth proportional to 7,332.14, 10,118.55 and 4,145.55 is: 5,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.14 : 10,118.55 = 4,145.55 : x
  2. Step 2: Convert to fraction form
    7,332.14/10,118.55 = 4,145.55/x
  3. Step 3: Cross multiply
    7,332.14x = 10,118.55 × 4,145.55
  4. Step 4: Simplify right side
    7,332.14x = 41,946,954.95
  5. Step 5: Solve for x
    x = 41,946,954.95/7,332.14
  6. Step 6: Final answer
    x = 5,720.97

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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.