Home / 6,920.48-10,380.30-2,240.39

Finding the Fourth Proportional to 6,920.48, 10,380.30 and 2,240.39

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Solution

The fourth proportional to 6,920.48, 10,380.30 and 2,240.39 is: 3,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.48 : 10,380.30 = 2,240.39 : x
  2. Step 2: Convert to fraction form
    6,920.48/10,380.30 = 2,240.39/x
  3. Step 3: Cross multiply
    6,920.48x = 10,380.30 × 2,240.39
  4. Step 4: Simplify right side
    6,920.48x = 23,255,920.32
  5. Step 5: Solve for x
    x = 23,255,920.32/6,920.48
  6. Step 6: Final answer
    x = 3,360.45

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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.