Home / 8,010.04-11,059.32-5,220.40

Finding the Fourth Proportional to 8,010.04, 11,059.32 and 5,220.40

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Solution

The fourth proportional to 8,010.04, 11,059.32 and 5,220.40 is: 7,207.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.04 : 11,059.32 = 5,220.40 : x
  2. Step 2: Convert to fraction form
    8,010.04/11,059.32 = 5,220.40/x
  3. Step 3: Cross multiply
    8,010.04x = 11,059.32 × 5,220.40
  4. Step 4: Simplify right side
    8,010.04x = 57,734,074.13
  5. Step 5: Solve for x
    x = 57,734,074.13/8,010.04
  6. Step 6: Final answer
    x = 7,207.71

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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.