Home / 8,353.41-12,530.46-4,679.06

Finding the Fourth Proportional to 8,353.41, 12,530.46 and 4,679.06

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Solution

The fourth proportional to 8,353.41, 12,530.46 and 4,679.06 is: 7,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.41 : 12,530.46 = 4,679.06 : x
  2. Step 2: Convert to fraction form
    8,353.41/12,530.46 = 4,679.06/x
  3. Step 3: Cross multiply
    8,353.41x = 12,530.46 × 4,679.06
  4. Step 4: Simplify right side
    8,353.41x = 58,630,711.52
  5. Step 5: Solve for x
    x = 58,630,711.52/8,353.41
  6. Step 6: Final answer
    x = 7,018.78

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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.