Home / 8,743.18-12,065.64-4,764.28

Finding the Fourth Proportional to 8,743.18, 12,065.64 and 4,764.28

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Solution

The fourth proportional to 8,743.18, 12,065.64 and 4,764.28 is: 6,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.18 : 12,065.64 = 4,764.28 : x
  2. Step 2: Convert to fraction form
    8,743.18/12,065.64 = 4,764.28/x
  3. Step 3: Cross multiply
    8,743.18x = 12,065.64 × 4,764.28
  4. Step 4: Simplify right side
    8,743.18x = 57,484,087.34
  5. Step 5: Solve for x
    x = 57,484,087.34/8,743.18
  6. Step 6: Final answer
    x = 6,574.73

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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.