Home / 8,457.06-12,686.81-2,614.13

Finding the Fourth Proportional to 8,457.06, 12,686.81 and 2,614.13

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Solution

The fourth proportional to 8,457.06, 12,686.81 and 2,614.13 is: 3,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.06 : 12,686.81 = 2,614.13 : x
  2. Step 2: Convert to fraction form
    8,457.06/12,686.81 = 2,614.13/x
  3. Step 3: Cross multiply
    8,457.06x = 12,686.81 × 2,614.13
  4. Step 4: Simplify right side
    8,457.06x = 33,164,894.12
  5. Step 5: Solve for x
    x = 33,164,894.12/8,457.06
  6. Step 6: Final answer
    x = 3,921.56

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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.