Home / 5,148.04-7,104.34-2,790.22

Finding the Fourth Proportional to 5,148.04, 7,104.34 and 2,790.22

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Solution

The fourth proportional to 5,148.04, 7,104.34 and 2,790.22 is: 3,850.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.04 : 7,104.34 = 2,790.22 : x
  2. Step 2: Convert to fraction form
    5,148.04/7,104.34 = 2,790.22/x
  3. Step 3: Cross multiply
    5,148.04x = 7,104.34 × 2,790.22
  4. Step 4: Simplify right side
    5,148.04x = 19,822,671.55
  5. Step 5: Solve for x
    x = 19,822,671.55/5,148.04
  6. Step 6: Final answer
    x = 3,850.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.