Home / 5,242.42-7,856.46-2,898.94

Finding the Fourth Proportional to 5,242.42, 7,856.46 and 2,898.94

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Solution

The fourth proportional to 5,242.42, 7,856.46 and 2,898.94 is: 4,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.42 : 7,856.46 = 2,898.94 : x
  2. Step 2: Convert to fraction form
    5,242.42/7,856.46 = 2,898.94/x
  3. Step 3: Cross multiply
    5,242.42x = 7,856.46 × 2,898.94
  4. Step 4: Simplify right side
    5,242.42x = 22,775,406.15
  5. Step 5: Solve for x
    x = 22,775,406.15/5,242.42
  6. Step 6: Final answer
    x = 4,344.45

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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.