Home / 9,279.52-12,805.78-5,030.60

Finding the Fourth Proportional to 9,279.52, 12,805.78 and 5,030.60

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Solution

The fourth proportional to 9,279.52, 12,805.78 and 5,030.60 is: 6,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.52 : 12,805.78 = 5,030.60 : x
  2. Step 2: Convert to fraction form
    9,279.52/12,805.78 = 5,030.60/x
  3. Step 3: Cross multiply
    9,279.52x = 12,805.78 × 5,030.60
  4. Step 4: Simplify right side
    9,279.52x = 64,420,756.87
  5. Step 5: Solve for x
    x = 64,420,756.87/9,279.52
  6. Step 6: Final answer
    x = 6,942.25

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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.