Home / 4,711.37-7,068.67-1,425.20

Finding the Fourth Proportional to 4,711.37, 7,068.67 and 1,425.20

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Solution

The fourth proportional to 4,711.37, 7,068.67 and 1,425.20 is: 2,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.37 : 7,068.67 = 1,425.20 : x
  2. Step 2: Convert to fraction form
    4,711.37/7,068.67 = 1,425.20/x
  3. Step 3: Cross multiply
    4,711.37x = 7,068.67 × 1,425.20
  4. Step 4: Simplify right side
    4,711.37x = 10,074,229.58
  5. Step 5: Solve for x
    x = 10,074,229.58/4,711.37
  6. Step 6: Final answer
    x = 2,138.28

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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.