Home / 4,551.36-6,280.56-2,688

Finding the Fourth Proportional to 4,551.36, 6,280.56 and 2,688

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Solution

The fourth proportional to 4,551.36, 6,280.56 and 2,688 is: 3,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.36 : 6,280.56 = 2,688 : x
  2. Step 2: Convert to fraction form
    4,551.36/6,280.56 = 2,688/x
  3. Step 3: Cross multiply
    4,551.36x = 6,280.56 × 2,688
  4. Step 4: Simplify right side
    4,551.36x = 16,882,145.28
  5. Step 5: Solve for x
    x = 16,882,145.28/4,551.36
  6. Step 6: Final answer
    x = 3,709.25

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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.