Home / 7,220.02-10,830.41-2,290.05

Finding the Fourth Proportional to 7,220.02, 10,830.41 and 2,290.05

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Solution

The fourth proportional to 7,220.02, 10,830.41 and 2,290.05 is: 3,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.02 : 10,830.41 = 2,290.05 : x
  2. Step 2: Convert to fraction form
    7,220.02/10,830.41 = 2,290.05/x
  3. Step 3: Cross multiply
    7,220.02x = 10,830.41 × 2,290.05
  4. Step 4: Simplify right side
    7,220.02x = 24,802,126.27
  5. Step 5: Solve for x
    x = 24,802,126.27/7,220.02
  6. Step 6: Final answer
    x = 3,435.19

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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.