Home / 8,947.21-13,424.60-4,786.13

Finding the Fourth Proportional to 8,947.21, 13,424.60 and 4,786.13

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Solution

The fourth proportional to 8,947.21, 13,424.60 and 4,786.13 is: 7,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.21 : 13,424.60 = 4,786.13 : x
  2. Step 2: Convert to fraction form
    8,947.21/13,424.60 = 4,786.13/x
  3. Step 3: Cross multiply
    8,947.21x = 13,424.60 × 4,786.13
  4. Step 4: Simplify right side
    8,947.21x = 64,251,825.64
  5. Step 5: Solve for x
    x = 64,251,825.64/8,947.21
  6. Step 6: Final answer
    x = 7,181.22

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1.5x scale

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.