Home / 7,999.48-11,035.69-4,640.33

Finding the Fourth Proportional to 7,999.48, 11,035.69 and 4,640.33

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Solution

The fourth proportional to 7,999.48, 11,035.69 and 4,640.33 is: 6,401.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.48 : 11,035.69 = 4,640.33 : x
  2. Step 2: Convert to fraction form
    7,999.48/11,035.69 = 4,640.33/x
  3. Step 3: Cross multiply
    7,999.48x = 11,035.69 × 4,640.33
  4. Step 4: Simplify right side
    7,999.48x = 51,209,220.18
  5. Step 5: Solve for x
    x = 51,209,220.18/7,999.48
  6. Step 6: Final answer
    x = 6,401.57

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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.