Home / 9,077.64-13,621.78-3,812.24

Finding the Fourth Proportional to 9,077.64, 13,621.78 and 3,812.24

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Solution

The fourth proportional to 9,077.64, 13,621.78 and 3,812.24 is: 5,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,077.64 : 13,621.78 = 3,812.24 : x
  2. Step 2: Convert to fraction form
    9,077.64/13,621.78 = 3,812.24/x
  3. Step 3: Cross multiply
    9,077.64x = 13,621.78 × 3,812.24
  4. Step 4: Simplify right side
    9,077.64x = 51,929,533.41
  5. Step 5: Solve for x
    x = 51,929,533.41/9,077.64
  6. Step 6: Final answer
    x = 5,720.60

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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.