Home / 5,438.49-8,157.60-1,740.70

Finding the Fourth Proportional to 5,438.49, 8,157.60 and 1,740.70

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Solution

The fourth proportional to 5,438.49, 8,157.60 and 1,740.70 is: 2,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.49 : 8,157.60 = 1,740.70 : x
  2. Step 2: Convert to fraction form
    5,438.49/8,157.60 = 1,740.70/x
  3. Step 3: Cross multiply
    5,438.49x = 8,157.60 × 1,740.70
  4. Step 4: Simplify right side
    5,438.49x = 14,199,944.52
  5. Step 5: Solve for x
    x = 14,199,944.52/5,438.49
  6. Step 6: Final answer
    x = 2,611.01

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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.