Home / 8,427.57-11,617.74-5,901.72

Finding the Fourth Proportional to 8,427.57, 11,617.74 and 5,901.72

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Solution

The fourth proportional to 8,427.57, 11,617.74 and 5,901.72 is: 8,135.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.57 : 11,617.74 = 5,901.72 : x
  2. Step 2: Convert to fraction form
    8,427.57/11,617.74 = 5,901.72/x
  3. Step 3: Cross multiply
    8,427.57x = 11,617.74 × 5,901.72
  4. Step 4: Simplify right side
    8,427.57x = 68,564,648.51
  5. Step 5: Solve for x
    x = 68,564,648.51/8,427.57
  6. Step 6: Final answer
    x = 8,135.76

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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.