Home / 9,090.48-13,631.40-5,193.84

Finding the Fourth Proportional to 9,090.48, 13,631.40 and 5,193.84

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Solution

The fourth proportional to 9,090.48, 13,631.40 and 5,193.84 is: 7,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.48 : 13,631.40 = 5,193.84 : x
  2. Step 2: Convert to fraction form
    9,090.48/13,631.40 = 5,193.84/x
  3. Step 3: Cross multiply
    9,090.48x = 13,631.40 × 5,193.84
  4. Step 4: Simplify right side
    9,090.48x = 70,799,310.58
  5. Step 5: Solve for x
    x = 70,799,310.58/9,090.48
  6. Step 6: Final answer
    x = 7,788.29

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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.