Home / 7,521.70-11,273.55-3,136.90

Finding the Fourth Proportional to 7,521.70, 11,273.55 and 3,136.90

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Solution

The fourth proportional to 7,521.70, 11,273.55 and 3,136.90 is: 4,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.70 : 11,273.55 = 3,136.90 : x
  2. Step 2: Convert to fraction form
    7,521.70/11,273.55 = 3,136.90/x
  3. Step 3: Cross multiply
    7,521.70x = 11,273.55 × 3,136.90
  4. Step 4: Simplify right side
    7,521.70x = 35,363,999.00
  5. Step 5: Solve for x
    x = 35,363,999.00/7,521.70
  6. Step 6: Final answer
    x = 4,701.60

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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.