Home / 4,877.45-7,317.25-1,916.18

Finding the Fourth Proportional to 4,877.45, 7,317.25 and 1,916.18

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Solution

The fourth proportional to 4,877.45, 7,317.25 and 1,916.18 is: 2,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.45 : 7,317.25 = 1,916.18 : x
  2. Step 2: Convert to fraction form
    4,877.45/7,317.25 = 1,916.18/x
  3. Step 3: Cross multiply
    4,877.45x = 7,317.25 × 1,916.18
  4. Step 4: Simplify right side
    4,877.45x = 14,021,126.73
  5. Step 5: Solve for x
    x = 14,021,126.73/4,877.45
  6. Step 6: Final answer
    x = 2,874.69

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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.