Home / 5,686.91-8,526.49-2,911.32

Finding the Fourth Proportional to 5,686.91, 8,526.49 and 2,911.32

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Solution

The fourth proportional to 5,686.91, 8,526.49 and 2,911.32 is: 4,364.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.91 : 8,526.49 = 2,911.32 : x
  2. Step 2: Convert to fraction form
    5,686.91/8,526.49 = 2,911.32/x
  3. Step 3: Cross multiply
    5,686.91x = 8,526.49 × 2,911.32
  4. Step 4: Simplify right side
    5,686.91x = 24,823,317.80
  5. Step 5: Solve for x
    x = 24,823,317.80/5,686.91
  6. Step 6: Final answer
    x = 4,364.99

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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.