Home / 8,206.02-11,291.40-7,960.05

Finding the Fourth Proportional to 8,206.02, 11,291.40 and 7,960.05

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Solution

The fourth proportional to 8,206.02, 11,291.40 and 7,960.05 is: 10,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.02 : 11,291.40 = 7,960.05 : x
  2. Step 2: Convert to fraction form
    8,206.02/11,291.40 = 7,960.05/x
  3. Step 3: Cross multiply
    8,206.02x = 11,291.40 × 7,960.05
  4. Step 4: Simplify right side
    8,206.02x = 89,880,108.57
  5. Step 5: Solve for x
    x = 89,880,108.57/8,206.02
  6. Step 6: Final answer
    x = 10,952.95

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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.