Home / 7,777.12-10,741.14-5,254.84

Finding the Fourth Proportional to 7,777.12, 10,741.14 and 5,254.84

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Solution

The fourth proportional to 7,777.12, 10,741.14 and 5,254.84 is: 7,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.12 : 10,741.14 = 5,254.84 : x
  2. Step 2: Convert to fraction form
    7,777.12/10,741.14 = 5,254.84/x
  3. Step 3: Cross multiply
    7,777.12x = 10,741.14 × 5,254.84
  4. Step 4: Simplify right side
    7,777.12x = 56,442,972.12
  5. Step 5: Solve for x
    x = 56,442,972.12/7,777.12
  6. Step 6: Final answer
    x = 7,257.57

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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.