Home / 5,219.55-7,815.60-4,916.07

Finding the Fourth Proportional to 5,219.55, 7,815.60 and 4,916.07

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Solution

The fourth proportional to 5,219.55, 7,815.60 and 4,916.07 is: 7,361.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.55 : 7,815.60 = 4,916.07 : x
  2. Step 2: Convert to fraction form
    5,219.55/7,815.60 = 4,916.07/x
  3. Step 3: Cross multiply
    5,219.55x = 7,815.60 × 4,916.07
  4. Step 4: Simplify right side
    5,219.55x = 38,422,036.69
  5. Step 5: Solve for x
    x = 38,422,036.69/5,219.55
  6. Step 6: Final answer
    x = 7,361.18

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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.