Home / 5,515.95-8,273.64-1,355.71

Finding the Fourth Proportional to 5,515.95, 8,273.64 and 1,355.71

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Solution

The fourth proportional to 5,515.95, 8,273.64 and 1,355.71 is: 2,033.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.95 : 8,273.64 = 1,355.71 : x
  2. Step 2: Convert to fraction form
    5,515.95/8,273.64 = 1,355.71/x
  3. Step 3: Cross multiply
    5,515.95x = 8,273.64 × 1,355.71
  4. Step 4: Simplify right side
    5,515.95x = 11,216,656.48
  5. Step 5: Solve for x
    x = 11,216,656.48/5,515.95
  6. Step 6: Final answer
    x = 2,033.49

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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.