Home / 5,417.19-8,114.72-2,635.52

Finding the Fourth Proportional to 5,417.19, 8,114.72 and 2,635.52

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Solution

The fourth proportional to 5,417.19, 8,114.72 and 2,635.52 is: 3,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.19 : 8,114.72 = 2,635.52 : x
  2. Step 2: Convert to fraction form
    5,417.19/8,114.72 = 2,635.52/x
  3. Step 3: Cross multiply
    5,417.19x = 8,114.72 × 2,635.52
  4. Step 4: Simplify right side
    5,417.19x = 21,386,453.10
  5. Step 5: Solve for x
    x = 21,386,453.10/5,417.19
  6. Step 6: Final answer
    x = 3,947.89

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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.