Home / 7,477.18-11,217.29-3,095.28

Finding the Fourth Proportional to 7,477.18, 11,217.29 and 3,095.28

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Solution

The fourth proportional to 7,477.18, 11,217.29 and 3,095.28 is: 4,643.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.18 : 11,217.29 = 3,095.28 : x
  2. Step 2: Convert to fraction form
    7,477.18/11,217.29 = 3,095.28/x
  3. Step 3: Cross multiply
    7,477.18x = 11,217.29 × 3,095.28
  4. Step 4: Simplify right side
    7,477.18x = 34,720,637.91
  5. Step 5: Solve for x
    x = 34,720,637.91/7,477.18
  6. Step 6: Final answer
    x = 4,643.55

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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.