Home / 9,145.32-12,620.58-4,953.58

Finding the Fourth Proportional to 9,145.32, 12,620.58 and 4,953.58

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Solution

The fourth proportional to 9,145.32, 12,620.58 and 4,953.58 is: 6,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.32 : 12,620.58 = 4,953.58 : x
  2. Step 2: Convert to fraction form
    9,145.32/12,620.58 = 4,953.58/x
  3. Step 3: Cross multiply
    9,145.32x = 12,620.58 × 4,953.58
  4. Step 4: Simplify right side
    9,145.32x = 62,517,052.68
  5. Step 5: Solve for x
    x = 62,517,052.68/9,145.32
  6. Step 6: Final answer
    x = 6,835.96

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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.