Home / 5,217.90-7,826.77-1,269.19

Finding the Fourth Proportional to 5,217.90, 7,826.77 and 1,269.19

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Solution

The fourth proportional to 5,217.90, 7,826.77 and 1,269.19 is: 1,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.90 : 7,826.77 = 1,269.19 : x
  2. Step 2: Convert to fraction form
    5,217.90/7,826.77 = 1,269.19/x
  3. Step 3: Cross multiply
    5,217.90x = 7,826.77 × 1,269.19
  4. Step 4: Simplify right side
    5,217.90x = 9,933,658.22
  5. Step 5: Solve for x
    x = 9,933,658.22/5,217.90
  6. Step 6: Final answer
    x = 1,903.77

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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.