Home / 5,438.48-8,158.93-1,740.89

Finding the Fourth Proportional to 5,438.48, 8,158.93 and 1,740.89

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Solution

The fourth proportional to 5,438.48, 8,158.93 and 1,740.89 is: 2,611.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.48 : 8,158.93 = 1,740.89 : x
  2. Step 2: Convert to fraction form
    5,438.48/8,158.93 = 1,740.89/x
  3. Step 3: Cross multiply
    5,438.48x = 8,158.93 × 1,740.89
  4. Step 4: Simplify right side
    5,438.48x = 14,203,815.69
  5. Step 5: Solve for x
    x = 14,203,815.69/5,438.48
  6. Step 6: Final answer
    x = 2,611.73

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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.