Home / 6,207.76-8,567.28-3,555.40

Finding the Fourth Proportional to 6,207.76, 8,567.28 and 3,555.40

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Solution

The fourth proportional to 6,207.76, 8,567.28 and 3,555.40 is: 4,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207.76 : 8,567.28 = 3,555.40 : x
  2. Step 2: Convert to fraction form
    6,207.76/8,567.28 = 3,555.40/x
  3. Step 3: Cross multiply
    6,207.76x = 8,567.28 × 3,555.40
  4. Step 4: Simplify right side
    6,207.76x = 30,460,107.31
  5. Step 5: Solve for x
    x = 30,460,107.31/6,207.76
  6. Step 6: Final answer
    x = 4,906.78

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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.