Home / 8,788.12-12,127.50-4,809.18

Finding the Fourth Proportional to 8,788.12, 12,127.50 and 4,809.18

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Solution

The fourth proportional to 8,788.12, 12,127.50 and 4,809.18 is: 6,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.12 : 12,127.50 = 4,809.18 : x
  2. Step 2: Convert to fraction form
    8,788.12/12,127.50 = 4,809.18/x
  3. Step 3: Cross multiply
    8,788.12x = 12,127.50 × 4,809.18
  4. Step 4: Simplify right side
    8,788.12x = 58,323,330.45
  5. Step 5: Solve for x
    x = 58,323,330.45/8,788.12
  6. Step 6: Final answer
    x = 6,636.61

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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.