Home / 5,155.60-7,733.40-2,558.74

Finding the Fourth Proportional to 5,155.60, 7,733.40 and 2,558.74

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Solution

The fourth proportional to 5,155.60, 7,733.40 and 2,558.74 is: 3,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.60 : 7,733.40 = 2,558.74 : x
  2. Step 2: Convert to fraction form
    5,155.60/7,733.40 = 2,558.74/x
  3. Step 3: Cross multiply
    5,155.60x = 7,733.40 × 2,558.74
  4. Step 4: Simplify right side
    5,155.60x = 19,787,759.92
  5. Step 5: Solve for x
    x = 19,787,759.92/5,155.60
  6. Step 6: Final answer
    x = 3,838.11

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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.