Home / 7,708.72-10,637.86-4,351.56

Finding the Fourth Proportional to 7,708.72, 10,637.86 and 4,351.56

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Solution

The fourth proportional to 7,708.72, 10,637.86 and 4,351.56 is: 6,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.72 : 10,637.86 = 4,351.56 : x
  2. Step 2: Convert to fraction form
    7,708.72/10,637.86 = 4,351.56/x
  3. Step 3: Cross multiply
    7,708.72x = 10,637.86 × 4,351.56
  4. Step 4: Simplify right side
    7,708.72x = 46,291,286.06
  5. Step 5: Solve for x
    x = 46,291,286.06/7,708.72
  6. Step 6: Final answer
    x = 6,005.05

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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.