Home / 8,145.04-12,212.76-3,210.64

Finding the Fourth Proportional to 8,145.04, 12,212.76 and 3,210.64

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Solution

The fourth proportional to 8,145.04, 12,212.76 and 3,210.64 is: 4,814.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.04 : 12,212.76 = 3,210.64 : x
  2. Step 2: Convert to fraction form
    8,145.04/12,212.76 = 3,210.64/x
  3. Step 3: Cross multiply
    8,145.04x = 12,212.76 × 3,210.64
  4. Step 4: Simplify right side
    8,145.04x = 39,210,775.77
  5. Step 5: Solve for x
    x = 39,210,775.77/8,145.04
  6. Step 6: Final answer
    x = 4,814.07

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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.