Home / 5,664.51-7,816.98-3,146.82

Finding the Fourth Proportional to 5,664.51, 7,816.98 and 3,146.82

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Solution

The fourth proportional to 5,664.51, 7,816.98 and 3,146.82 is: 4,342.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.51 : 7,816.98 = 3,146.82 : x
  2. Step 2: Convert to fraction form
    5,664.51/7,816.98 = 3,146.82/x
  3. Step 3: Cross multiply
    5,664.51x = 7,816.98 × 3,146.82
  4. Step 4: Simplify right side
    5,664.51x = 24,598,629.00
  5. Step 5: Solve for x
    x = 24,598,629.00/5,664.51
  6. Step 6: Final answer
    x = 4,342.59

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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.