Home / 4,558.72-6,838.80-1,480

Finding the Fourth Proportional to 4,558.72, 6,838.80 and 1,480

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Solution

The fourth proportional to 4,558.72, 6,838.80 and 1,480 is: 2,220.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,558.72 : 6,838.80 = 1,480 : x
  2. Step 2: Convert to fraction form
    4,558.72/6,838.80 = 1,480/x
  3. Step 3: Cross multiply
    4,558.72x = 6,838.80 × 1,480
  4. Step 4: Simplify right side
    4,558.72x = 10,121,424
  5. Step 5: Solve for x
    x = 10,121,424/4,558.72
  6. Step 6: Final answer
    x = 2,220.23

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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.