Home / 7,791.47-10,752.45-4,254.91

Finding the Fourth Proportional to 7,791.47, 10,752.45 and 4,254.91

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Solution

The fourth proportional to 7,791.47, 10,752.45 and 4,254.91 is: 5,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.47 : 10,752.45 = 4,254.91 : x
  2. Step 2: Convert to fraction form
    7,791.47/10,752.45 = 4,254.91/x
  3. Step 3: Cross multiply
    7,791.47x = 10,752.45 × 4,254.91
  4. Step 4: Simplify right side
    7,791.47x = 45,750,707.03
  5. Step 5: Solve for x
    x = 45,750,707.03/7,791.47
  6. Step 6: Final answer
    x = 5,871.90

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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.