Home / 5,221.24-7,826.38-2,445.58

Finding the Fourth Proportional to 5,221.24, 7,826.38 and 2,445.58

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Solution

The fourth proportional to 5,221.24, 7,826.38 and 2,445.58 is: 3,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.24 : 7,826.38 = 2,445.58 : x
  2. Step 2: Convert to fraction form
    5,221.24/7,826.38 = 2,445.58/x
  3. Step 3: Cross multiply
    5,221.24x = 7,826.38 × 2,445.58
  4. Step 4: Simplify right side
    5,221.24x = 19,140,038.40
  5. Step 5: Solve for x
    x = 19,140,038.40/5,221.24
  6. Step 6: Final answer
    x = 3,665.80

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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.