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Finding the Fourth Proportional to 8,503.08, 12,752.16 and 2,956.20

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Solution

The fourth proportional to 8,503.08, 12,752.16 and 2,956.20 is: 4,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.08 : 12,752.16 = 2,956.20 : x
  2. Step 2: Convert to fraction form
    8,503.08/12,752.16 = 2,956.20/x
  3. Step 3: Cross multiply
    8,503.08x = 12,752.16 × 2,956.20
  4. Step 4: Simplify right side
    8,503.08x = 37,697,935.39
  5. Step 5: Solve for x
    x = 37,697,935.39/8,503.08
  6. Step 6: Final answer
    x = 4,433.44

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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.