Home / 8,427.32-11,617.40-5,901.47

Finding the Fourth Proportional to 8,427.32, 11,617.40 and 5,901.47

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Solution

The fourth proportional to 8,427.32, 11,617.40 and 5,901.47 is: 8,135.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.32 : 11,617.40 = 5,901.47 : x
  2. Step 2: Convert to fraction form
    8,427.32/11,617.40 = 5,901.47/x
  3. Step 3: Cross multiply
    8,427.32x = 11,617.40 × 5,901.47
  4. Step 4: Simplify right side
    8,427.32x = 68,559,708.07
  5. Step 5: Solve for x
    x = 68,559,708.07/8,427.32
  6. Step 6: Final answer
    x = 8,135.41

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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.