Home / 5,276.37-7,915.12-1,766.23

Finding the Fourth Proportional to 5,276.37, 7,915.12 and 1,766.23

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Solution

The fourth proportional to 5,276.37, 7,915.12 and 1,766.23 is: 2,649.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.37 : 7,915.12 = 1,766.23 : x
  2. Step 2: Convert to fraction form
    5,276.37/7,915.12 = 1,766.23/x
  3. Step 3: Cross multiply
    5,276.37x = 7,915.12 × 1,766.23
  4. Step 4: Simplify right side
    5,276.37x = 13,979,920.46
  5. Step 5: Solve for x
    x = 13,979,920.46/5,276.37
  6. Step 6: Final answer
    x = 2,649.54

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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.