Home / 7,220.04-10,830.45-2,290.06

Finding the Fourth Proportional to 7,220.04, 10,830.45 and 2,290.06

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Solution

The fourth proportional to 7,220.04, 10,830.45 and 2,290.06 is: 3,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.04 : 10,830.45 = 2,290.06 : x
  2. Step 2: Convert to fraction form
    7,220.04/10,830.45 = 2,290.06/x
  3. Step 3: Cross multiply
    7,220.04x = 10,830.45 × 2,290.06
  4. Step 4: Simplify right side
    7,220.04x = 24,802,429.69
  5. Step 5: Solve for x
    x = 24,802,429.69/7,220.04
  6. Step 6: Final answer
    x = 3,435.22

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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.