Home / 5,217.64-7,826.40-1,268.93

Finding the Fourth Proportional to 5,217.64, 7,826.40 and 1,268.93

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Solution

The fourth proportional to 5,217.64, 7,826.40 and 1,268.93 is: 1,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.64 : 7,826.40 = 1,268.93 : x
  2. Step 2: Convert to fraction form
    5,217.64/7,826.40 = 1,268.93/x
  3. Step 3: Cross multiply
    5,217.64x = 7,826.40 × 1,268.93
  4. Step 4: Simplify right side
    5,217.64x = 9,931,173.32
  5. Step 5: Solve for x
    x = 9,931,173.32/5,217.64
  6. Step 6: Final answer
    x = 1,903.39

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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.