Home / 5,285.47-7,925.91-2,819.74

Finding the Fourth Proportional to 5,285.47, 7,925.91 and 2,819.74

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Solution

The fourth proportional to 5,285.47, 7,925.91 and 2,819.74 is: 4,228.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.47 : 7,925.91 = 2,819.74 : x
  2. Step 2: Convert to fraction form
    5,285.47/7,925.91 = 2,819.74/x
  3. Step 3: Cross multiply
    5,285.47x = 7,925.91 × 2,819.74
  4. Step 4: Simplify right side
    5,285.47x = 22,349,005.46
  5. Step 5: Solve for x
    x = 22,349,005.46/5,285.47
  6. Step 6: Final answer
    x = 4,228.39

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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.