Home / 8,070.81-12,106.68-2,876.69

Finding the Fourth Proportional to 8,070.81, 12,106.68 and 2,876.69

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Solution

The fourth proportional to 8,070.81, 12,106.68 and 2,876.69 is: 4,315.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.81 : 12,106.68 = 2,876.69 : x
  2. Step 2: Convert to fraction form
    8,070.81/12,106.68 = 2,876.69/x
  3. Step 3: Cross multiply
    8,070.81x = 12,106.68 × 2,876.69
  4. Step 4: Simplify right side
    8,070.81x = 34,827,120.64
  5. Step 5: Solve for x
    x = 34,827,120.64/8,070.81
  6. Step 6: Final answer
    x = 4,315.19

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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.