Home / 5,285.50-7,925.88-2,819.74

Finding the Fourth Proportional to 5,285.50, 7,925.88 and 2,819.74

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Solution

The fourth proportional to 5,285.50, 7,925.88 and 2,819.74 is: 4,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.50 : 7,925.88 = 2,819.74 : x
  2. Step 2: Convert to fraction form
    5,285.50/7,925.88 = 2,819.74/x
  3. Step 3: Cross multiply
    5,285.50x = 7,925.88 × 2,819.74
  4. Step 4: Simplify right side
    5,285.50x = 22,348,920.87
  5. Step 5: Solve for x
    x = 22,348,920.87/5,285.50
  6. Step 6: Final answer
    x = 4,228.35

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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.