Home / 5,237.32-7,227.91-2,999.90

Finding the Fourth Proportional to 5,237.32, 7,227.91 and 2,999.90

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Solution

The fourth proportional to 5,237.32, 7,227.91 and 2,999.90 is: 4,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.32 : 7,227.91 = 2,999.90 : x
  2. Step 2: Convert to fraction form
    5,237.32/7,227.91 = 2,999.90/x
  3. Step 3: Cross multiply
    5,237.32x = 7,227.91 × 2,999.90
  4. Step 4: Simplify right side
    5,237.32x = 21,683,007.21
  5. Step 5: Solve for x
    x = 21,683,007.21/5,237.32
  6. Step 6: Final answer
    x = 4,140.10

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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.