Home / 8,350.62-12,528.28-4,185.60

Finding the Fourth Proportional to 8,350.62, 12,528.28 and 4,185.60

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Solution

The fourth proportional to 8,350.62, 12,528.28 and 4,185.60 is: 6,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.62 : 12,528.28 = 4,185.60 : x
  2. Step 2: Convert to fraction form
    8,350.62/12,528.28 = 4,185.60/x
  3. Step 3: Cross multiply
    8,350.62x = 12,528.28 × 4,185.60
  4. Step 4: Simplify right side
    8,350.62x = 52,438,368.77
  5. Step 5: Solve for x
    x = 52,438,368.77/8,350.62
  6. Step 6: Final answer
    x = 6,279.58

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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.