Home / 7,171.23-10,742.84-4,698.55

Finding the Fourth Proportional to 7,171.23, 10,742.84 and 4,698.55

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Solution

The fourth proportional to 7,171.23, 10,742.84 and 4,698.55 is: 7,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.23 : 10,742.84 = 4,698.55 : x
  2. Step 2: Convert to fraction form
    7,171.23/10,742.84 = 4,698.55/x
  3. Step 3: Cross multiply
    7,171.23x = 10,742.84 × 4,698.55
  4. Step 4: Simplify right side
    7,171.23x = 50,475,778.44
  5. Step 5: Solve for x
    x = 50,475,778.44/7,171.23
  6. Step 6: Final answer
    x = 7,038.65

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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.