Home / 8,110.81-12,162.43-4,214.17

Finding the Fourth Proportional to 8,110.81, 12,162.43 and 4,214.17

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Solution

The fourth proportional to 8,110.81, 12,162.43 and 4,214.17 is: 6,319.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.81 : 12,162.43 = 4,214.17 : x
  2. Step 2: Convert to fraction form
    8,110.81/12,162.43 = 4,214.17/x
  3. Step 3: Cross multiply
    8,110.81x = 12,162.43 × 4,214.17
  4. Step 4: Simplify right side
    8,110.81x = 51,254,547.63
  5. Step 5: Solve for x
    x = 51,254,547.63/8,110.81
  6. Step 6: Final answer
    x = 6,319.29

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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.