Home / 7,118.20-10,652.10-6,203.80

Finding the Fourth Proportional to 7,118.20, 10,652.10 and 6,203.80

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Solution

The fourth proportional to 7,118.20, 10,652.10 and 6,203.80 is: 9,283.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.20 : 10,652.10 = 6,203.80 : x
  2. Step 2: Convert to fraction form
    7,118.20/10,652.10 = 6,203.80/x
  3. Step 3: Cross multiply
    7,118.20x = 10,652.10 × 6,203.80
  4. Step 4: Simplify right side
    7,118.20x = 66,083,497.98
  5. Step 5: Solve for x
    x = 66,083,497.98/7,118.20
  6. Step 6: Final answer
    x = 9,283.74

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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.