Home / 8,185.79-11,296.40-4,649.00

Finding the Fourth Proportional to 8,185.79, 11,296.40 and 4,649.00

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Solution

The fourth proportional to 8,185.79, 11,296.40 and 4,649.00 is: 6,415.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.79 : 11,296.40 = 4,649.00 : x
  2. Step 2: Convert to fraction form
    8,185.79/11,296.40 = 4,649.00/x
  3. Step 3: Cross multiply
    8,185.79x = 11,296.40 × 4,649.00
  4. Step 4: Simplify right side
    8,185.79x = 52,516,883.87
  5. Step 5: Solve for x
    x = 52,516,883.87/8,185.79
  6. Step 6: Final answer
    x = 6,415.61

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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.