Home / 8,809.34-13,216.75-2,886.28

Finding the Fourth Proportional to 8,809.34, 13,216.75 and 2,886.28

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Solution

The fourth proportional to 8,809.34, 13,216.75 and 2,886.28 is: 4,330.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.34 : 13,216.75 = 2,886.28 : x
  2. Step 2: Convert to fraction form
    8,809.34/13,216.75 = 2,886.28/x
  3. Step 3: Cross multiply
    8,809.34x = 13,216.75 × 2,886.28
  4. Step 4: Simplify right side
    8,809.34x = 38,147,246.89
  5. Step 5: Solve for x
    x = 38,147,246.89/8,809.34
  6. Step 6: Final answer
    x = 4,330.32

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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.