Home / 4,513.80-6,770.40-1,916.52

Finding the Fourth Proportional to 4,513.80, 6,770.40 and 1,916.52

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Solution

The fourth proportional to 4,513.80, 6,770.40 and 1,916.52 is: 2,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,513.80 : 6,770.40 = 1,916.52 : x
  2. Step 2: Convert to fraction form
    4,513.80/6,770.40 = 1,916.52/x
  3. Step 3: Cross multiply
    4,513.80x = 6,770.40 × 1,916.52
  4. Step 4: Simplify right side
    4,513.80x = 12,975,607.01
  5. Step 5: Solve for x
    x = 12,975,607.01/4,513.80
  6. Step 6: Final answer
    x = 2,874.65

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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.