Home / 8,347.37-12,533.54-5,247.05

Finding the Fourth Proportional to 8,347.37, 12,533.54 and 5,247.05

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Solution

The fourth proportional to 8,347.37, 12,533.54 and 5,247.05 is: 7,878.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.37 : 12,533.54 = 5,247.05 : x
  2. Step 2: Convert to fraction form
    8,347.37/12,533.54 = 5,247.05/x
  3. Step 3: Cross multiply
    8,347.37x = 12,533.54 × 5,247.05
  4. Step 4: Simplify right side
    8,347.37x = 65,764,022.15
  5. Step 5: Solve for x
    x = 65,764,022.15/8,347.37
  6. Step 6: Final answer
    x = 7,878.42

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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.