Home / 8,530.08-12,785.92-4,137.76

Finding the Fourth Proportional to 8,530.08, 12,785.92 and 4,137.76

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Solution

The fourth proportional to 8,530.08, 12,785.92 and 4,137.76 is: 6,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.08 : 12,785.92 = 4,137.76 : x
  2. Step 2: Convert to fraction form
    8,530.08/12,785.92 = 4,137.76/x
  3. Step 3: Cross multiply
    8,530.08x = 12,785.92 × 4,137.76
  4. Step 4: Simplify right side
    8,530.08x = 52,905,068.34
  5. Step 5: Solve for x
    x = 52,905,068.34/8,530.08
  6. Step 6: Final answer
    x = 6,202.18

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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.