Home / 8,703.20-13,052.06-2,858.45

Finding the Fourth Proportional to 8,703.20, 13,052.06 and 2,858.45

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Solution

The fourth proportional to 8,703.20, 13,052.06 and 2,858.45 is: 4,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.20 : 13,052.06 = 2,858.45 : x
  2. Step 2: Convert to fraction form
    8,703.20/13,052.06 = 2,858.45/x
  3. Step 3: Cross multiply
    8,703.20x = 13,052.06 × 2,858.45
  4. Step 4: Simplify right side
    8,703.20x = 37,308,581.35
  5. Step 5: Solve for x
    x = 37,308,581.35/8,703.20
  6. Step 6: Final answer
    x = 4,286.77

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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.