Home / 5,273.67-7,277.04-2,915.40

Finding the Fourth Proportional to 5,273.67, 7,277.04 and 2,915.40

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Solution

The fourth proportional to 5,273.67, 7,277.04 and 2,915.40 is: 4,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.67 : 7,277.04 = 2,915.40 : x
  2. Step 2: Convert to fraction form
    5,273.67/7,277.04 = 2,915.40/x
  3. Step 3: Cross multiply
    5,273.67x = 7,277.04 × 2,915.40
  4. Step 4: Simplify right side
    5,273.67x = 21,215,482.42
  5. Step 5: Solve for x
    x = 21,215,482.42/5,273.67
  6. Step 6: Final answer
    x = 4,022.91

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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.