Home / 5,377.73-8,064.16-1,915.07

Finding the Fourth Proportional to 5,377.73, 8,064.16 and 1,915.07

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Solution

The fourth proportional to 5,377.73, 8,064.16 and 1,915.07 is: 2,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.73 : 8,064.16 = 1,915.07 : x
  2. Step 2: Convert to fraction form
    5,377.73/8,064.16 = 1,915.07/x
  3. Step 3: Cross multiply
    5,377.73x = 8,064.16 × 1,915.07
  4. Step 4: Simplify right side
    5,377.73x = 15,443,385.78
  5. Step 5: Solve for x
    x = 15,443,385.78/5,377.73
  6. Step 6: Final answer
    x = 2,871.73

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1.5x scale

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.