Home / 9,145.13-12,620.27-4,953.38

Finding the Fourth Proportional to 9,145.13, 12,620.27 and 4,953.38

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Solution

The fourth proportional to 9,145.13, 12,620.27 and 4,953.38 is: 6,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.13 : 12,620.27 = 4,953.38 : x
  2. Step 2: Convert to fraction form
    9,145.13/12,620.27 = 4,953.38/x
  3. Step 3: Cross multiply
    9,145.13x = 12,620.27 × 4,953.38
  4. Step 4: Simplify right side
    9,145.13x = 62,512,942.29
  5. Step 5: Solve for x
    x = 62,512,942.29/9,145.13
  6. Step 6: Final answer
    x = 6,835.66

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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.