Home / 4,850.85-7,271.58-1,561.71

Finding the Fourth Proportional to 4,850.85, 7,271.58 and 1,561.71

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Solution

The fourth proportional to 4,850.85, 7,271.58 and 1,561.71 is: 2,341.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,850.85 : 7,271.58 = 1,561.71 : x
  2. Step 2: Convert to fraction form
    4,850.85/7,271.58 = 1,561.71/x
  3. Step 3: Cross multiply
    4,850.85x = 7,271.58 × 1,561.71
  4. Step 4: Simplify right side
    4,850.85x = 11,356,099.20
  5. Step 5: Solve for x
    x = 11,356,099.20/4,850.85
  6. Step 6: Final answer
    x = 2,341.05

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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.