Home / 5,242.46-7,859.01-1,955.71

Finding the Fourth Proportional to 5,242.46, 7,859.01 and 1,955.71

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Solution

The fourth proportional to 5,242.46, 7,859.01 and 1,955.71 is: 2,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.46 : 7,859.01 = 1,955.71 : x
  2. Step 2: Convert to fraction form
    5,242.46/7,859.01 = 1,955.71/x
  3. Step 3: Cross multiply
    5,242.46x = 7,859.01 × 1,955.71
  4. Step 4: Simplify right side
    5,242.46x = 15,369,905.15
  5. Step 5: Solve for x
    x = 15,369,905.15/5,242.46
  6. Step 6: Final answer
    x = 2,931.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.