Home / 4,455.90-6,676.56-3,155.04

Finding the Fourth Proportional to 4,455.90, 6,676.56 and 3,155.04

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Solution

The fourth proportional to 4,455.90, 6,676.56 and 3,155.04 is: 4,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.90 : 6,676.56 = 3,155.04 : x
  2. Step 2: Convert to fraction form
    4,455.90/6,676.56 = 3,155.04/x
  3. Step 3: Cross multiply
    4,455.90x = 6,676.56 × 3,155.04
  4. Step 4: Simplify right side
    4,455.90x = 21,064,813.86
  5. Step 5: Solve for x
    x = 21,064,813.86/4,455.90
  6. Step 6: Final answer
    x = 4,727.40

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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.