Home / 7,964-11,943.92-3,030.98

Finding the Fourth Proportional to 7,964, 11,943.92 and 3,030.98

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Solution

The fourth proportional to 7,964, 11,943.92 and 3,030.98 is: 4,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964 : 11,943.92 = 3,030.98 : x
  2. Step 2: Convert to fraction form
    7,964/11,943.92 = 3,030.98/x
  3. Step 3: Cross multiply
    7,964x = 11,943.92 × 3,030.98
  4. Step 4: Simplify right side
    7,964x = 36,201,782.64
  5. Step 5: Solve for x
    x = 36,201,782.64/7,964
  6. Step 6: Final answer
    x = 4,545.68

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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.