Home / 5,455.18-8,184.08-1,757.76

Finding the Fourth Proportional to 5,455.18, 8,184.08 and 1,757.76

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Solution

The fourth proportional to 5,455.18, 8,184.08 and 1,757.76 is: 2,637.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.18 : 8,184.08 = 1,757.76 : x
  2. Step 2: Convert to fraction form
    5,455.18/8,184.08 = 1,757.76/x
  3. Step 3: Cross multiply
    5,455.18x = 8,184.08 × 1,757.76
  4. Step 4: Simplify right side
    5,455.18x = 14,385,648.46
  5. Step 5: Solve for x
    x = 14,385,648.46/5,455.18
  6. Step 6: Final answer
    x = 2,637.06

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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.