Home / 8,960.21-12,365.40-4,927.34

Finding the Fourth Proportional to 8,960.21, 12,365.40 and 4,927.34

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Solution

The fourth proportional to 8,960.21, 12,365.40 and 4,927.34 is: 6,799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.21 : 12,365.40 = 4,927.34 : x
  2. Step 2: Convert to fraction form
    8,960.21/12,365.40 = 4,927.34/x
  3. Step 3: Cross multiply
    8,960.21x = 12,365.40 × 4,927.34
  4. Step 4: Simplify right side
    8,960.21x = 60,928,579.43
  5. Step 5: Solve for x
    x = 60,928,579.43/8,960.21
  6. Step 6: Final answer
    x = 6,799.91

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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.