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Finding the Fourth Proportional to 6,299.56, 9,449.18 and 1,916.84

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Solution

The fourth proportional to 6,299.56, 9,449.18 and 1,916.84 is: 2,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,299.56 : 9,449.18 = 1,916.84 : x
  2. Step 2: Convert to fraction form
    6,299.56/9,449.18 = 1,916.84/x
  3. Step 3: Cross multiply
    6,299.56x = 9,449.18 × 1,916.84
  4. Step 4: Simplify right side
    6,299.56x = 18,112,566.19
  5. Step 5: Solve for x
    x = 18,112,566.19/6,299.56
  6. Step 6: Final answer
    x = 2,875.21

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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.