Home / 8,703.32-13,056.80-2,859.44

Finding the Fourth Proportional to 8,703.32, 13,056.80 and 2,859.44

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Solution

The fourth proportional to 8,703.32, 13,056.80 and 2,859.44 is: 4,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.32 : 13,056.80 = 2,859.44 : x
  2. Step 2: Convert to fraction form
    8,703.32/13,056.80 = 2,859.44/x
  3. Step 3: Cross multiply
    8,703.32x = 13,056.80 × 2,859.44
  4. Step 4: Simplify right side
    8,703.32x = 37,335,056.61
  5. Step 5: Solve for x
    x = 37,335,056.61/8,703.32
  6. Step 6: Final answer
    x = 4,289.75

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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.