Home / 7,220.48-10,829.80-2,290.16

Finding the Fourth Proportional to 7,220.48, 10,829.80 and 2,290.16

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Solution

The fourth proportional to 7,220.48, 10,829.80 and 2,290.16 is: 3,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.48 : 10,829.80 = 2,290.16 : x
  2. Step 2: Convert to fraction form
    7,220.48/10,829.80 = 2,290.16/x
  3. Step 3: Cross multiply
    7,220.48x = 10,829.80 × 2,290.16
  4. Step 4: Simplify right side
    7,220.48x = 24,801,974.77
  5. Step 5: Solve for x
    x = 24,801,974.77/7,220.48
  6. Step 6: Final answer
    x = 3,434.95

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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.