Home / 6,557.51-9,831.40-3,959.84

Finding the Fourth Proportional to 6,557.51, 9,831.40 and 3,959.84

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Solution

The fourth proportional to 6,557.51, 9,831.40 and 3,959.84 is: 5,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557.51 : 9,831.40 = 3,959.84 : x
  2. Step 2: Convert to fraction form
    6,557.51/9,831.40 = 3,959.84/x
  3. Step 3: Cross multiply
    6,557.51x = 9,831.40 × 3,959.84
  4. Step 4: Simplify right side
    6,557.51x = 38,930,770.98
  5. Step 5: Solve for x
    x = 38,930,770.98/6,557.51
  6. Step 6: Final answer
    x = 5,936.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.