Home / 4,299.18-6,419.65-3,411.72

Finding the Fourth Proportional to 4,299.18, 6,419.65 and 3,411.72

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Solution

The fourth proportional to 4,299.18, 6,419.65 and 3,411.72 is: 5,094.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,299.18 : 6,419.65 = 3,411.72 : x
  2. Step 2: Convert to fraction form
    4,299.18/6,419.65 = 3,411.72/x
  3. Step 3: Cross multiply
    4,299.18x = 6,419.65 × 3,411.72
  4. Step 4: Simplify right side
    4,299.18x = 21,902,016.20
  5. Step 5: Solve for x
    x = 21,902,016.20/4,299.18
  6. Step 6: Final answer
    x = 5,094.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.