Home / 9,855.32-14,785.21-3,281.76

Finding the Fourth Proportional to 9,855.32, 14,785.21 and 3,281.76

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Solution

The fourth proportional to 9,855.32, 14,785.21 and 3,281.76 is: 4,923.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.32 : 14,785.21 = 3,281.76 : x
  2. Step 2: Convert to fraction form
    9,855.32/14,785.21 = 3,281.76/x
  3. Step 3: Cross multiply
    9,855.32x = 14,785.21 × 3,281.76
  4. Step 4: Simplify right side
    9,855.32x = 48,521,510.77
  5. Step 5: Solve for x
    x = 48,521,510.77/9,855.32
  6. Step 6: Final answer
    x = 4,923.38

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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.