Home / 6,981.24-10,471.84-4,386

Finding the Fourth Proportional to 6,981.24, 10,471.84 and 4,386

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Solution

The fourth proportional to 6,981.24, 10,471.84 and 4,386 is: 6,578.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.24 : 10,471.84 = 4,386 : x
  2. Step 2: Convert to fraction form
    6,981.24/10,471.84 = 4,386/x
  3. Step 3: Cross multiply
    6,981.24x = 10,471.84 × 4,386
  4. Step 4: Simplify right side
    6,981.24x = 45,929,490.24
  5. Step 5: Solve for x
    x = 45,929,490.24/6,981.24
  6. Step 6: Final answer
    x = 6,578.99

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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.