Home / 7,020.99-10,528.14-2,088.90

Finding the Fourth Proportional to 7,020.99, 10,528.14 and 2,088.90

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Solution

The fourth proportional to 7,020.99, 10,528.14 and 2,088.90 is: 3,132.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.99 : 10,528.14 = 2,088.90 : x
  2. Step 2: Convert to fraction form
    7,020.99/10,528.14 = 2,088.90/x
  3. Step 3: Cross multiply
    7,020.99x = 10,528.14 × 2,088.90
  4. Step 4: Simplify right side
    7,020.99x = 21,992,231.65
  5. Step 5: Solve for x
    x = 21,992,231.65/7,020.99
  6. Step 6: Final answer
    x = 3,132.35

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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.