Home / 8,210.77-12,316.52-3,013.81

Finding the Fourth Proportional to 8,210.77, 12,316.52 and 3,013.81

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Solution

The fourth proportional to 8,210.77, 12,316.52 and 3,013.81 is: 4,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.77 : 12,316.52 = 3,013.81 : x
  2. Step 2: Convert to fraction form
    8,210.77/12,316.52 = 3,013.81/x
  3. Step 3: Cross multiply
    8,210.77x = 12,316.52 × 3,013.81
  4. Step 4: Simplify right side
    8,210.77x = 37,119,651.14
  5. Step 5: Solve for x
    x = 37,119,651.14/8,210.77
  6. Step 6: Final answer
    x = 4,520.85

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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.