Home / 7,358.60-11,021.70-6,537.80

Finding the Fourth Proportional to 7,358.60, 11,021.70 and 6,537.80

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Solution

The fourth proportional to 7,358.60, 11,021.70 and 6,537.80 is: 9,792.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.60 : 11,021.70 = 6,537.80 : x
  2. Step 2: Convert to fraction form
    7,358.60/11,021.70 = 6,537.80/x
  3. Step 3: Cross multiply
    7,358.60x = 11,021.70 × 6,537.80
  4. Step 4: Simplify right side
    7,358.60x = 72,057,670.26
  5. Step 5: Solve for x
    x = 72,057,670.26/7,358.60
  6. Step 6: Final answer
    x = 9,792.31

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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.