Home / 5,241.06-7,862.40-1,777.50

Finding the Fourth Proportional to 5,241.06, 7,862.40 and 1,777.50

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Solution

The fourth proportional to 5,241.06, 7,862.40 and 1,777.50 is: 2,666.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.06 : 7,862.40 = 1,777.50 : x
  2. Step 2: Convert to fraction form
    5,241.06/7,862.40 = 1,777.50/x
  3. Step 3: Cross multiply
    5,241.06x = 7,862.40 × 1,777.50
  4. Step 4: Simplify right side
    5,241.06x = 13,975,416
  5. Step 5: Solve for x
    x = 13,975,416/5,241.06
  6. Step 6: Final answer
    x = 2,666.52

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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.