Home / 6,389.08-8,816.22-3,594.52

Finding the Fourth Proportional to 6,389.08, 8,816.22 and 3,594.52

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Solution

The fourth proportional to 6,389.08, 8,816.22 and 3,594.52 is: 4,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.08 : 8,816.22 = 3,594.52 : x
  2. Step 2: Convert to fraction form
    6,389.08/8,816.22 = 3,594.52/x
  3. Step 3: Cross multiply
    6,389.08x = 8,816.22 × 3,594.52
  4. Step 4: Simplify right side
    6,389.08x = 31,690,079.11
  5. Step 5: Solve for x
    x = 31,690,079.11/6,389.08
  6. Step 6: Final answer
    x = 4,960.04

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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.