Home / 4,711.80-7,074.90-3,617.40

Finding the Fourth Proportional to 4,711.80, 7,074.90 and 3,617.40

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Solution

The fourth proportional to 4,711.80, 7,074.90 and 3,617.40 is: 5,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.80 : 7,074.90 = 3,617.40 : x
  2. Step 2: Convert to fraction form
    4,711.80/7,074.90 = 3,617.40/x
  3. Step 3: Cross multiply
    4,711.80x = 7,074.90 × 3,617.40
  4. Step 4: Simplify right side
    4,711.80x = 25,592,743.26
  5. Step 5: Solve for x
    x = 25,592,743.26/4,711.80
  6. Step 6: Final answer
    x = 5,431.63

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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.