Home / 7,236.78-10,854.46-4,911.72

Finding the Fourth Proportional to 7,236.78, 10,854.46 and 4,911.72

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Solution

The fourth proportional to 7,236.78, 10,854.46 and 4,911.72 is: 7,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.78 : 10,854.46 = 4,911.72 : x
  2. Step 2: Convert to fraction form
    7,236.78/10,854.46 = 4,911.72/x
  3. Step 3: Cross multiply
    7,236.78x = 10,854.46 × 4,911.72
  4. Step 4: Simplify right side
    7,236.78x = 53,314,068.27
  5. Step 5: Solve for x
    x = 53,314,068.27/7,236.78
  6. Step 6: Final answer
    x = 7,367.10

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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.