Home / 5,273.16-7,277.11-2,915.45

Finding the Fourth Proportional to 5,273.16, 7,277.11 and 2,915.45

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Solution

The fourth proportional to 5,273.16, 7,277.11 and 2,915.45 is: 4,023.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.16 : 7,277.11 = 2,915.45 : x
  2. Step 2: Convert to fraction form
    5,273.16/7,277.11 = 2,915.45/x
  3. Step 3: Cross multiply
    5,273.16x = 7,277.11 × 2,915.45
  4. Step 4: Simplify right side
    5,273.16x = 21,216,061.25
  5. Step 5: Solve for x
    x = 21,216,061.25/5,273.16
  6. Step 6: Final answer
    x = 4,023.41

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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.