Home / 4,479.21-6,718.64-1,558.17

Finding the Fourth Proportional to 4,479.21, 6,718.64 and 1,558.17

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Solution

The fourth proportional to 4,479.21, 6,718.64 and 1,558.17 is: 2,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.21 : 6,718.64 = 1,558.17 : x
  2. Step 2: Convert to fraction form
    4,479.21/6,718.64 = 1,558.17/x
  3. Step 3: Cross multiply
    4,479.21x = 6,718.64 × 1,558.17
  4. Step 4: Simplify right side
    4,479.21x = 10,468,775.50
  5. Step 5: Solve for x
    x = 10,468,775.50/4,479.21
  6. Step 6: Final answer
    x = 2,337.19

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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.