Home / 5,816.81-8,024.59-3,927.78

Finding the Fourth Proportional to 5,816.81, 8,024.59 and 3,927.78

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Solution

The fourth proportional to 5,816.81, 8,024.59 and 3,927.78 is: 5,418.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.81 : 8,024.59 = 3,927.78 : x
  2. Step 2: Convert to fraction form
    5,816.81/8,024.59 = 3,927.78/x
  3. Step 3: Cross multiply
    5,816.81x = 8,024.59 × 3,927.78
  4. Step 4: Simplify right side
    5,816.81x = 31,518,814.29
  5. Step 5: Solve for x
    x = 31,518,814.29/5,816.81
  6. Step 6: Final answer
    x = 5,418.58

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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.