Home / 7,015.80-10,519.79-3,498.65

Finding the Fourth Proportional to 7,015.80, 10,519.79 and 3,498.65

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Solution

The fourth proportional to 7,015.80, 10,519.79 and 3,498.65 is: 5,246.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.80 : 10,519.79 = 3,498.65 : x
  2. Step 2: Convert to fraction form
    7,015.80/10,519.79 = 3,498.65/x
  3. Step 3: Cross multiply
    7,015.80x = 10,519.79 × 3,498.65
  4. Step 4: Simplify right side
    7,015.80x = 36,804,993.19
  5. Step 5: Solve for x
    x = 36,804,993.19/7,015.80
  6. Step 6: Final answer
    x = 5,246.02

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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.