Home / 5,038.94-6,954.15-2,915.21

Finding the Fourth Proportional to 5,038.94, 6,954.15 and 2,915.21

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Solution

The fourth proportional to 5,038.94, 6,954.15 and 2,915.21 is: 4,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.94 : 6,954.15 = 2,915.21 : x
  2. Step 2: Convert to fraction form
    5,038.94/6,954.15 = 2,915.21/x
  3. Step 3: Cross multiply
    5,038.94x = 6,954.15 × 2,915.21
  4. Step 4: Simplify right side
    5,038.94x = 20,272,796.82
  5. Step 5: Solve for x
    x = 20,272,796.82/5,038.94
  6. Step 6: Final answer
    x = 4,023.22

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1.5x scale

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.