Home / 8,630.28-11,909.30-4,853.57

Finding the Fourth Proportional to 8,630.28, 11,909.30 and 4,853.57

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Solution

The fourth proportional to 8,630.28, 11,909.30 and 4,853.57 is: 6,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.28 : 11,909.30 = 4,853.57 : x
  2. Step 2: Convert to fraction form
    8,630.28/11,909.30 = 4,853.57/x
  3. Step 3: Cross multiply
    8,630.28x = 11,909.30 × 4,853.57
  4. Step 4: Simplify right side
    8,630.28x = 57,802,537.39
  5. Step 5: Solve for x
    x = 57,802,537.39/8,630.28
  6. Step 6: Final answer
    x = 6,697.64

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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.