Home / 4,915.24-7,377.72-2,320

Finding the Fourth Proportional to 4,915.24, 7,377.72 and 2,320

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Solution

The fourth proportional to 4,915.24, 7,377.72 and 2,320 is: 3,482.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.24 : 7,377.72 = 2,320 : x
  2. Step 2: Convert to fraction form
    4,915.24/7,377.72 = 2,320/x
  3. Step 3: Cross multiply
    4,915.24x = 7,377.72 × 2,320
  4. Step 4: Simplify right side
    4,915.24x = 17,116,310.40
  5. Step 5: Solve for x
    x = 17,116,310.40/4,915.24
  6. Step 6: Final answer
    x = 3,482.29

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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.