Home / 5,237.36-7,220.85-4,289.66

Finding the Fourth Proportional to 5,237.36, 7,220.85 and 4,289.66

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Solution

The fourth proportional to 5,237.36, 7,220.85 and 4,289.66 is: 5,914.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.36 : 7,220.85 = 4,289.66 : x
  2. Step 2: Convert to fraction form
    5,237.36/7,220.85 = 4,289.66/x
  3. Step 3: Cross multiply
    5,237.36x = 7,220.85 × 4,289.66
  4. Step 4: Simplify right side
    5,237.36x = 30,974,991.41
  5. Step 5: Solve for x
    x = 30,974,991.41/5,237.36
  6. Step 6: Final answer
    x = 5,914.24

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Double scale
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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.