Home / 8,347.60-12,518.04-3,150.64

Finding the Fourth Proportional to 8,347.60, 12,518.04 and 3,150.64

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Solution

The fourth proportional to 8,347.60, 12,518.04 and 3,150.64 is: 4,724.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.60 : 12,518.04 = 3,150.64 : x
  2. Step 2: Convert to fraction form
    8,347.60/12,518.04 = 3,150.64/x
  3. Step 3: Cross multiply
    8,347.60x = 12,518.04 × 3,150.64
  4. Step 4: Simplify right side
    8,347.60x = 39,439,837.55
  5. Step 5: Solve for x
    x = 39,439,837.55/8,347.60
  6. Step 6: Final answer
    x = 4,724.69

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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.