Home / 6,618.07-9,907.92-5,152.78

Finding the Fourth Proportional to 6,618.07, 9,907.92 and 5,152.78

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Solution

The fourth proportional to 6,618.07, 9,907.92 and 5,152.78 is: 7,714.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.07 : 9,907.92 = 5,152.78 : x
  2. Step 2: Convert to fraction form
    6,618.07/9,907.92 = 5,152.78/x
  3. Step 3: Cross multiply
    6,618.07x = 9,907.92 × 5,152.78
  4. Step 4: Simplify right side
    6,618.07x = 51,053,332.02
  5. Step 5: Solve for x
    x = 51,053,332.02/6,618.07
  6. Step 6: Final answer
    x = 7,714.23

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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.