Home / 5,423.78-8,134.06-2,303.76

Finding the Fourth Proportional to 5,423.78, 8,134.06 and 2,303.76

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Solution

The fourth proportional to 5,423.78, 8,134.06 and 2,303.76 is: 3,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.78 : 8,134.06 = 2,303.76 : x
  2. Step 2: Convert to fraction form
    5,423.78/8,134.06 = 2,303.76/x
  3. Step 3: Cross multiply
    5,423.78x = 8,134.06 × 2,303.76
  4. Step 4: Simplify right side
    5,423.78x = 18,738,922.07
  5. Step 5: Solve for x
    x = 18,738,922.07/5,423.78
  6. Step 6: Final answer
    x = 3,454.96

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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.