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Finding the Fourth Proportional to 6,810.18, 10,214.10 and 1,878.99

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Solution

The fourth proportional to 6,810.18, 10,214.10 and 1,878.99 is: 2,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.18 : 10,214.10 = 1,878.99 : x
  2. Step 2: Convert to fraction form
    6,810.18/10,214.10 = 1,878.99/x
  3. Step 3: Cross multiply
    6,810.18x = 10,214.10 × 1,878.99
  4. Step 4: Simplify right side
    6,810.18x = 19,192,191.76
  5. Step 5: Solve for x
    x = 19,192,191.76/6,810.18
  6. Step 6: Final answer
    x = 2,818.16

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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.