Home / 5,419.80-7,483.50-4,158.81

Finding the Fourth Proportional to 5,419.80, 7,483.50 and 4,158.81

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Solution

The fourth proportional to 5,419.80, 7,483.50 and 4,158.81 is: 5,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.80 : 7,483.50 = 4,158.81 : x
  2. Step 2: Convert to fraction form
    5,419.80/7,483.50 = 4,158.81/x
  3. Step 3: Cross multiply
    5,419.80x = 7,483.50 × 4,158.81
  4. Step 4: Simplify right side
    5,419.80x = 31,122,454.64
  5. Step 5: Solve for x
    x = 31,122,454.64/5,419.80
  6. Step 6: Final answer
    x = 5,742.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.