Home / 7,921.06-10,931.41-4,384.27

Finding the Fourth Proportional to 7,921.06, 10,931.41 and 4,384.27

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Solution

The fourth proportional to 7,921.06, 10,931.41 and 4,384.27 is: 6,050.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.06 : 10,931.41 = 4,384.27 : x
  2. Step 2: Convert to fraction form
    7,921.06/10,931.41 = 4,384.27/x
  3. Step 3: Cross multiply
    7,921.06x = 10,931.41 × 4,384.27
  4. Step 4: Simplify right side
    7,921.06x = 47,926,241.96
  5. Step 5: Solve for x
    x = 47,926,241.96/7,921.06
  6. Step 6: Final answer
    x = 6,050.48

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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.