Home / 9,145.41-12,620.68-4,953.66

Finding the Fourth Proportional to 9,145.41, 12,620.68 and 4,953.66

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Solution

The fourth proportional to 9,145.41, 12,620.68 and 4,953.66 is: 6,836.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.41 : 12,620.68 = 4,953.66 : x
  2. Step 2: Convert to fraction form
    9,145.41/12,620.68 = 4,953.66/x
  3. Step 3: Cross multiply
    9,145.41x = 12,620.68 × 4,953.66
  4. Step 4: Simplify right side
    9,145.41x = 62,518,497.98
  5. Step 5: Solve for x
    x = 62,518,497.98/9,145.41
  6. Step 6: Final answer
    x = 6,836.05

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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.