Home / 7,791.48-10,752.21-4,254.72

Finding the Fourth Proportional to 7,791.48, 10,752.21 and 4,254.72

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Solution

The fourth proportional to 7,791.48, 10,752.21 and 4,254.72 is: 5,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.48 : 10,752.21 = 4,254.72 : x
  2. Step 2: Convert to fraction form
    7,791.48/10,752.21 = 4,254.72/x
  3. Step 3: Cross multiply
    7,791.48x = 10,752.21 × 4,254.72
  4. Step 4: Simplify right side
    7,791.48x = 45,747,642.93
  5. Step 5: Solve for x
    x = 45,747,642.93/7,791.48
  6. Step 6: Final answer
    x = 5,871.50

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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.