Home / 7,552.78-11,332.88-3,395.72

Finding the Fourth Proportional to 7,552.78, 11,332.88 and 3,395.72

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Solution

The fourth proportional to 7,552.78, 11,332.88 and 3,395.72 is: 5,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,552.78 : 11,332.88 = 3,395.72 : x
  2. Step 2: Convert to fraction form
    7,552.78/11,332.88 = 3,395.72/x
  3. Step 3: Cross multiply
    7,552.78x = 11,332.88 × 3,395.72
  4. Step 4: Simplify right side
    7,552.78x = 38,483,311.36
  5. Step 5: Solve for x
    x = 38,483,311.36/7,552.78
  6. Step 6: Final answer
    x = 5,095.25

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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.