Home / 4,621.77-6,371.64-3,127.32

Finding the Fourth Proportional to 4,621.77, 6,371.64 and 3,127.32

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Solution

The fourth proportional to 4,621.77, 6,371.64 and 3,127.32 is: 4,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.77 : 6,371.64 = 3,127.32 : x
  2. Step 2: Convert to fraction form
    4,621.77/6,371.64 = 3,127.32/x
  3. Step 3: Cross multiply
    4,621.77x = 6,371.64 × 3,127.32
  4. Step 4: Simplify right side
    4,621.77x = 19,926,157.20
  5. Step 5: Solve for x
    x = 19,926,157.20/4,621.77
  6. Step 6: Final answer
    x = 4,311.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.