Home / 5,347.36-8,018.52-3,126.84

Finding the Fourth Proportional to 5,347.36, 8,018.52 and 3,126.84

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Solution

The fourth proportional to 5,347.36, 8,018.52 and 3,126.84 is: 4,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.36 : 8,018.52 = 3,126.84 : x
  2. Step 2: Convert to fraction form
    5,347.36/8,018.52 = 3,126.84/x
  3. Step 3: Cross multiply
    5,347.36x = 8,018.52 × 3,126.84
  4. Step 4: Simplify right side
    5,347.36x = 25,072,629.08
  5. Step 5: Solve for x
    x = 25,072,629.08/5,347.36
  6. Step 6: Final answer
    x = 4,688.79

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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.