Home / 7,911.22-10,917.24-4,374.43

Finding the Fourth Proportional to 7,911.22, 10,917.24 and 4,374.43

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Solution

The fourth proportional to 7,911.22, 10,917.24 and 4,374.43 is: 6,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.22 : 10,917.24 = 4,374.43 : x
  2. Step 2: Convert to fraction form
    7,911.22/10,917.24 = 4,374.43/x
  3. Step 3: Cross multiply
    7,911.22x = 10,917.24 × 4,374.43
  4. Step 4: Simplify right side
    7,911.22x = 47,756,702.17
  5. Step 5: Solve for x
    x = 47,756,702.17/7,911.22
  6. Step 6: Final answer
    x = 6,036.58

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1.5x scale

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.