Home / 6,479.29-8,940.88-3,646.52

Finding the Fourth Proportional to 6,479.29, 8,940.88 and 3,646.52

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Solution

The fourth proportional to 6,479.29, 8,940.88 and 3,646.52 is: 5,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.29 : 8,940.88 = 3,646.52 : x
  2. Step 2: Convert to fraction form
    6,479.29/8,940.88 = 3,646.52/x
  3. Step 3: Cross multiply
    6,479.29x = 8,940.88 × 3,646.52
  4. Step 4: Simplify right side
    6,479.29x = 32,603,091.12
  5. Step 5: Solve for x
    x = 32,603,091.12/6,479.29
  6. Step 6: Final answer
    x = 5,031.89

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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.