Home / 5,005.26-6,907.56-3,015.90

Finding the Fourth Proportional to 5,005.26, 6,907.56 and 3,015.90

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Solution

The fourth proportional to 5,005.26, 6,907.56 and 3,015.90 is: 4,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.26 : 6,907.56 = 3,015.90 : x
  2. Step 2: Convert to fraction form
    5,005.26/6,907.56 = 3,015.90/x
  3. Step 3: Cross multiply
    5,005.26x = 6,907.56 × 3,015.90
  4. Step 4: Simplify right side
    5,005.26x = 20,832,510.20
  5. Step 5: Solve for x
    x = 20,832,510.20/5,005.26
  6. Step 6: Final answer
    x = 4,162.12

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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.