Home / 7,913.43-11,870.69-3,752.73

Finding the Fourth Proportional to 7,913.43, 11,870.69 and 3,752.73

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Solution

The fourth proportional to 7,913.43, 11,870.69 and 3,752.73 is: 5,629.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.43 : 11,870.69 = 3,752.73 : x
  2. Step 2: Convert to fraction form
    7,913.43/11,870.69 = 3,752.73/x
  3. Step 3: Cross multiply
    7,913.43x = 11,870.69 × 3,752.73
  4. Step 4: Simplify right side
    7,913.43x = 44,547,475.72
  5. Step 5: Solve for x
    x = 44,547,475.72/7,913.43
  6. Step 6: Final answer
    x = 5,629.35

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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.