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Finding the Fourth Proportional to 6,811.59, 10,216.10 and 1,880.90

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Solution

The fourth proportional to 6,811.59, 10,216.10 and 1,880.90 is: 2,820.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.59 : 10,216.10 = 1,880.90 : x
  2. Step 2: Convert to fraction form
    6,811.59/10,216.10 = 1,880.90/x
  3. Step 3: Cross multiply
    6,811.59x = 10,216.10 × 1,880.90
  4. Step 4: Simplify right side
    6,811.59x = 19,215,420.40
  5. Step 5: Solve for x
    x = 19,215,420.40/6,811.59
  6. Step 6: Final answer
    x = 2,820.99

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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.