Home / 7,819.74-10,787.58-4,675.32

Finding the Fourth Proportional to 7,819.74, 10,787.58 and 4,675.32

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Solution

The fourth proportional to 7,819.74, 10,787.58 and 4,675.32 is: 6,449.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.74 : 10,787.58 = 4,675.32 : x
  2. Step 2: Convert to fraction form
    7,819.74/10,787.58 = 4,675.32/x
  3. Step 3: Cross multiply
    7,819.74x = 10,787.58 × 4,675.32
  4. Step 4: Simplify right side
    7,819.74x = 50,435,388.53
  5. Step 5: Solve for x
    x = 50,435,388.53/7,819.74
  6. Step 6: Final answer
    x = 6,449.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.