Home / 4,479.84-6,719.79-1,558.14

Finding the Fourth Proportional to 4,479.84, 6,719.79 and 1,558.14

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Solution

The fourth proportional to 4,479.84, 6,719.79 and 1,558.14 is: 2,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.84 : 6,719.79 = 1,558.14 : x
  2. Step 2: Convert to fraction form
    4,479.84/6,719.79 = 1,558.14/x
  3. Step 3: Cross multiply
    4,479.84x = 6,719.79 × 1,558.14
  4. Step 4: Simplify right side
    4,479.84x = 10,470,383.61
  5. Step 5: Solve for x
    x = 10,470,383.61/4,479.84
  6. Step 6: Final answer
    x = 2,337.22

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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.