Home / 8,740.03-13,109.67-3,809.68

Finding the Fourth Proportional to 8,740.03, 13,109.67 and 3,809.68

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Solution

The fourth proportional to 8,740.03, 13,109.67 and 3,809.68 is: 5,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.03 : 13,109.67 = 3,809.68 : x
  2. Step 2: Convert to fraction form
    8,740.03/13,109.67 = 3,809.68/x
  3. Step 3: Cross multiply
    8,740.03x = 13,109.67 × 3,809.68
  4. Step 4: Simplify right side
    8,740.03x = 49,943,647.61
  5. Step 5: Solve for x
    x = 49,943,647.61/8,740.03
  6. Step 6: Final answer
    x = 5,714.36

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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.