Home / 5,276.64-7,280.81-3,038.39

Finding the Fourth Proportional to 5,276.64, 7,280.81 and 3,038.39

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Solution

The fourth proportional to 5,276.64, 7,280.81 and 3,038.39 is: 4,192.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.64 : 7,280.81 = 3,038.39 : x
  2. Step 2: Convert to fraction form
    5,276.64/7,280.81 = 3,038.39/x
  3. Step 3: Cross multiply
    5,276.64x = 7,280.81 × 3,038.39
  4. Step 4: Simplify right side
    5,276.64x = 22,121,915.47
  5. Step 5: Solve for x
    x = 22,121,915.47/5,276.64
  6. Step 6: Final answer
    x = 4,192.42

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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.