Home / 8,688.06-13,022.37-3,750.30

Finding the Fourth Proportional to 8,688.06, 13,022.37 and 3,750.30

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Solution

The fourth proportional to 8,688.06, 13,022.37 and 3,750.30 is: 5,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.06 : 13,022.37 = 3,750.30 : x
  2. Step 2: Convert to fraction form
    8,688.06/13,022.37 = 3,750.30/x
  3. Step 3: Cross multiply
    8,688.06x = 13,022.37 × 3,750.30
  4. Step 4: Simplify right side
    8,688.06x = 48,837,794.21
  5. Step 5: Solve for x
    x = 48,837,794.21/8,688.06
  6. Step 6: Final answer
    x = 5,621.25

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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.