Home / 6,291.30-8,666.99-4,399.35

Finding the Fourth Proportional to 6,291.30, 8,666.99 and 4,399.35

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Solution

The fourth proportional to 6,291.30, 8,666.99 and 4,399.35 is: 6,060.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.30 : 8,666.99 = 4,399.35 : x
  2. Step 2: Convert to fraction form
    6,291.30/8,666.99 = 4,399.35/x
  3. Step 3: Cross multiply
    6,291.30x = 8,666.99 × 4,399.35
  4. Step 4: Simplify right side
    6,291.30x = 38,129,100.46
  5. Step 5: Solve for x
    x = 38,129,100.46/6,291.30
  6. Step 6: Final answer
    x = 6,060.61

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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.