Home / 5,273.53-7,911.50-2,807.05

Finding the Fourth Proportional to 5,273.53, 7,911.50 and 2,807.05

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Solution

The fourth proportional to 5,273.53, 7,911.50 and 2,807.05 is: 4,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.53 : 7,911.50 = 2,807.05 : x
  2. Step 2: Convert to fraction form
    5,273.53/7,911.50 = 2,807.05/x
  3. Step 3: Cross multiply
    5,273.53x = 7,911.50 × 2,807.05
  4. Step 4: Simplify right side
    5,273.53x = 22,207,962.04
  5. Step 5: Solve for x
    x = 22,207,962.04/5,273.53
  6. Step 6: Final answer
    x = 4,211.21

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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.