Home / 8,742.81-13,115.66-4,360.41

Finding the Fourth Proportional to 8,742.81, 13,115.66 and 4,360.41

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Solution

The fourth proportional to 8,742.81, 13,115.66 and 4,360.41 is: 6,541.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.81 : 13,115.66 = 4,360.41 : x
  2. Step 2: Convert to fraction form
    8,742.81/13,115.66 = 4,360.41/x
  3. Step 3: Cross multiply
    8,742.81x = 13,115.66 × 4,360.41
  4. Step 4: Simplify right side
    8,742.81x = 57,189,633.22
  5. Step 5: Solve for x
    x = 57,189,633.22/8,742.81
  6. Step 6: Final answer
    x = 6,541.33

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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.