Home / 7,708.94-10,637.59-6,119.43

Finding the Fourth Proportional to 7,708.94, 10,637.59 and 6,119.43

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Solution

The fourth proportional to 7,708.94, 10,637.59 and 6,119.43 is: 8,444.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.94 : 10,637.59 = 6,119.43 : x
  2. Step 2: Convert to fraction form
    7,708.94/10,637.59 = 6,119.43/x
  3. Step 3: Cross multiply
    7,708.94x = 10,637.59 × 6,119.43
  4. Step 4: Simplify right side
    7,708.94x = 65,095,903.59
  5. Step 5: Solve for x
    x = 65,095,903.59/7,708.94
  6. Step 6: Final answer
    x = 8,444.21

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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.