Home / 7,931.16-11,898.41-2,384.91

Finding the Fourth Proportional to 7,931.16, 11,898.41 and 2,384.91

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Solution

The fourth proportional to 7,931.16, 11,898.41 and 2,384.91 is: 3,577.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.16 : 11,898.41 = 2,384.91 : x
  2. Step 2: Convert to fraction form
    7,931.16/11,898.41 = 2,384.91/x
  3. Step 3: Cross multiply
    7,931.16x = 11,898.41 × 2,384.91
  4. Step 4: Simplify right side
    7,931.16x = 28,376,625.07
  5. Step 5: Solve for x
    x = 28,376,625.07/7,931.16
  6. Step 6: Final answer
    x = 3,577.87

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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.