Home / 7,024.48-10,537.68-3,128.80

Finding the Fourth Proportional to 7,024.48, 10,537.68 and 3,128.80

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Solution

The fourth proportional to 7,024.48, 10,537.68 and 3,128.80 is: 4,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,024.48 : 10,537.68 = 3,128.80 : x
  2. Step 2: Convert to fraction form
    7,024.48/10,537.68 = 3,128.80/x
  3. Step 3: Cross multiply
    7,024.48x = 10,537.68 × 3,128.80
  4. Step 4: Simplify right side
    7,024.48x = 32,970,293.18
  5. Step 5: Solve for x
    x = 32,970,293.18/7,024.48
  6. Step 6: Final answer
    x = 4,693.63

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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.