Home / 5,241.18-7,862.49-1,777.50

Finding the Fourth Proportional to 5,241.18, 7,862.49 and 1,777.50

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Solution

The fourth proportional to 5,241.18, 7,862.49 and 1,777.50 is: 2,666.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.18 : 7,862.49 = 1,777.50 : x
  2. Step 2: Convert to fraction form
    5,241.18/7,862.49 = 1,777.50/x
  3. Step 3: Cross multiply
    5,241.18x = 7,862.49 × 1,777.50
  4. Step 4: Simplify right side
    5,241.18x = 13,975,575.98
  5. Step 5: Solve for x
    x = 13,975,575.98/5,241.18
  6. Step 6: Final answer
    x = 2,666.49

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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.