Home / 8,863.99-13,298.69-4,187.59

Finding the Fourth Proportional to 8,863.99, 13,298.69 and 4,187.59

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Solution

The fourth proportional to 8,863.99, 13,298.69 and 4,187.59 is: 6,282.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.99 : 13,298.69 = 4,187.59 : x
  2. Step 2: Convert to fraction form
    8,863.99/13,298.69 = 4,187.59/x
  3. Step 3: Cross multiply
    8,863.99x = 13,298.69 × 4,187.59
  4. Step 4: Simplify right side
    8,863.99x = 55,689,461.26
  5. Step 5: Solve for x
    x = 55,689,461.26/8,863.99
  6. Step 6: Final answer
    x = 6,282.66

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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.