Home / 8,713.18-13,062.66-4,328.23

Finding the Fourth Proportional to 8,713.18, 13,062.66 and 4,328.23

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Solution

The fourth proportional to 8,713.18, 13,062.66 and 4,328.23 is: 6,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.18 : 13,062.66 = 4,328.23 : x
  2. Step 2: Convert to fraction form
    8,713.18/13,062.66 = 4,328.23/x
  3. Step 3: Cross multiply
    8,713.18x = 13,062.66 × 4,328.23
  4. Step 4: Simplify right side
    8,713.18x = 56,538,196.89
  5. Step 5: Solve for x
    x = 56,538,196.89/8,713.18
  6. Step 6: Final answer
    x = 6,488.81

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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.