Home / 5,435.79-8,151.18-1,737.20

Finding the Fourth Proportional to 5,435.79, 8,151.18 and 1,737.20

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Solution

The fourth proportional to 5,435.79, 8,151.18 and 1,737.20 is: 2,604.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.79 : 8,151.18 = 1,737.20 : x
  2. Step 2: Convert to fraction form
    5,435.79/8,151.18 = 1,737.20/x
  3. Step 3: Cross multiply
    5,435.79x = 8,151.18 × 1,737.20
  4. Step 4: Simplify right side
    5,435.79x = 14,160,189.14
  5. Step 5: Solve for x
    x = 14,160,189.14/5,435.79
  6. Step 6: Final answer
    x = 2,604.99

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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.