Home / 5,215.74-7,817.54-1,925.52

Finding the Fourth Proportional to 5,215.74, 7,817.54 and 1,925.52

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Solution

The fourth proportional to 5,215.74, 7,817.54 and 1,925.52 is: 2,886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.74 : 7,817.54 = 1,925.52 : x
  2. Step 2: Convert to fraction form
    5,215.74/7,817.54 = 1,925.52/x
  3. Step 3: Cross multiply
    5,215.74x = 7,817.54 × 1,925.52
  4. Step 4: Simplify right side
    5,215.74x = 15,052,819.99
  5. Step 5: Solve for x
    x = 15,052,819.99/5,215.74
  6. Step 6: Final answer
    x = 2,886.04

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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.