Home / 6,434.40-8,879.55-3,601.95

Finding the Fourth Proportional to 6,434.40, 8,879.55 and 3,601.95

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Solution

The fourth proportional to 6,434.40, 8,879.55 and 3,601.95 is: 4,970.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.40 : 8,879.55 = 3,601.95 : x
  2. Step 2: Convert to fraction form
    6,434.40/8,879.55 = 3,601.95/x
  3. Step 3: Cross multiply
    6,434.40x = 8,879.55 × 3,601.95
  4. Step 4: Simplify right side
    6,434.40x = 31,983,695.12
  5. Step 5: Solve for x
    x = 31,983,695.12/6,434.40
  6. Step 6: Final answer
    x = 4,970.73

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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.