Home / 8,987.45-13,489.55-4,548.28

Finding the Fourth Proportional to 8,987.45, 13,489.55 and 4,548.28

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Solution

The fourth proportional to 8,987.45, 13,489.55 and 4,548.28 is: 6,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987.45 : 13,489.55 = 4,548.28 : x
  2. Step 2: Convert to fraction form
    8,987.45/13,489.55 = 4,548.28/x
  3. Step 3: Cross multiply
    8,987.45x = 13,489.55 × 4,548.28
  4. Step 4: Simplify right side
    8,987.45x = 61,354,190.42
  5. Step 5: Solve for x
    x = 61,354,190.42/8,987.45
  6. Step 6: Final answer
    x = 6,826.65

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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.