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Finding the Fourth Proportional to 9,145.00, 12,620.14 and 4,953.25

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Solution

The fourth proportional to 9,145.00, 12,620.14 and 4,953.25 is: 6,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.00 : 12,620.14 = 4,953.25 : x
  2. Step 2: Convert to fraction form
    9,145.00/12,620.14 = 4,953.25/x
  3. Step 3: Cross multiply
    9,145.00x = 12,620.14 × 4,953.25
  4. Step 4: Simplify right side
    9,145.00x = 62,510,711.85
  5. Step 5: Solve for x
    x = 62,510,711.85/9,145.00
  6. Step 6: Final answer
    x = 6,835.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.