Home / 5,419.68-8,090.22-4,763.58

Finding the Fourth Proportional to 5,419.68, 8,090.22 and 4,763.58

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Solution

The fourth proportional to 5,419.68, 8,090.22 and 4,763.58 is: 7,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.68 : 8,090.22 = 4,763.58 : x
  2. Step 2: Convert to fraction form
    5,419.68/8,090.22 = 4,763.58/x
  3. Step 3: Cross multiply
    5,419.68x = 8,090.22 × 4,763.58
  4. Step 4: Simplify right side
    5,419.68x = 38,538,410.19
  5. Step 5: Solve for x
    x = 38,538,410.19/5,419.68
  6. Step 6: Final answer
    x = 7,110.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.