Home / 4,847.55-6,688.89-2,958.63

Finding the Fourth Proportional to 4,847.55, 6,688.89 and 2,958.63

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Solution

The fourth proportional to 4,847.55, 6,688.89 and 2,958.63 is: 4,082.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.55 : 6,688.89 = 2,958.63 : x
  2. Step 2: Convert to fraction form
    4,847.55/6,688.89 = 2,958.63/x
  3. Step 3: Cross multiply
    4,847.55x = 6,688.89 × 2,958.63
  4. Step 4: Simplify right side
    4,847.55x = 19,789,950.62
  5. Step 5: Solve for x
    x = 19,789,950.62/4,847.55
  6. Step 6: Final answer
    x = 4,082.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.