Home / 8,895.21-12,276.62-5,118.30

Finding the Fourth Proportional to 8,895.21, 12,276.62 and 5,118.30

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Solution

The fourth proportional to 8,895.21, 12,276.62 and 5,118.30 is: 7,063.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.21 : 12,276.62 = 5,118.30 : x
  2. Step 2: Convert to fraction form
    8,895.21/12,276.62 = 5,118.30/x
  3. Step 3: Cross multiply
    8,895.21x = 12,276.62 × 5,118.30
  4. Step 4: Simplify right side
    8,895.21x = 62,835,417.75
  5. Step 5: Solve for x
    x = 62,835,417.75/8,895.21
  6. Step 6: Final answer
    x = 7,063.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.