Home / 5,005.52-6,907.56-2,767.40

Finding the Fourth Proportional to 5,005.52, 6,907.56 and 2,767.40

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Solution

The fourth proportional to 5,005.52, 6,907.56 and 2,767.40 is: 3,818.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.52 : 6,907.56 = 2,767.40 : x
  2. Step 2: Convert to fraction form
    5,005.52/6,907.56 = 2,767.40/x
  3. Step 3: Cross multiply
    5,005.52x = 6,907.56 × 2,767.40
  4. Step 4: Simplify right side
    5,005.52x = 19,115,981.54
  5. Step 5: Solve for x
    x = 19,115,981.54/5,005.52
  6. Step 6: Final answer
    x = 3,818.98

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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.