Home / 7,219.74-10,830-2,290.08

Finding the Fourth Proportional to 7,219.74, 10,830 and 2,290.08

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Solution

The fourth proportional to 7,219.74, 10,830 and 2,290.08 is: 3,435.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.74 : 10,830 = 2,290.08 : x
  2. Step 2: Convert to fraction form
    7,219.74/10,830 = 2,290.08/x
  3. Step 3: Cross multiply
    7,219.74x = 10,830 × 2,290.08
  4. Step 4: Simplify right side
    7,219.74x = 24,801,566.40
  5. Step 5: Solve for x
    x = 24,801,566.40/7,219.74
  6. Step 6: Final answer
    x = 3,435.24

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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.