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Finding the Fourth Proportional to 6,617.38, 9,925.62 and 1,937.20

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Solution

The fourth proportional to 6,617.38, 9,925.62 and 1,937.20 is: 2,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.38 : 9,925.62 = 1,937.20 : x
  2. Step 2: Convert to fraction form
    6,617.38/9,925.62 = 1,937.20/x
  3. Step 3: Cross multiply
    6,617.38x = 9,925.62 × 1,937.20
  4. Step 4: Simplify right side
    6,617.38x = 19,227,911.06
  5. Step 5: Solve for x
    x = 19,227,911.06/6,617.38
  6. Step 6: Final answer
    x = 2,905.67

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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.