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Finding the Fourth Proportional to 6,746.95, 10,119.65 and 1,816.21

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Solution

The fourth proportional to 6,746.95, 10,119.65 and 1,816.21 is: 2,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.95 : 10,119.65 = 1,816.21 : x
  2. Step 2: Convert to fraction form
    6,746.95/10,119.65 = 1,816.21/x
  3. Step 3: Cross multiply
    6,746.95x = 10,119.65 × 1,816.21
  4. Step 4: Simplify right side
    6,746.95x = 18,379,366.39
  5. Step 5: Solve for x
    x = 18,379,366.39/6,746.95
  6. Step 6: Final answer
    x = 2,724.10

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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.