Home / 4,420.16-6,629.44-1,646.20

Finding the Fourth Proportional to 4,420.16, 6,629.44 and 1,646.20

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Solution

The fourth proportional to 4,420.16, 6,629.44 and 1,646.20 is: 2,469.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.16 : 6,629.44 = 1,646.20 : x
  2. Step 2: Convert to fraction form
    4,420.16/6,629.44 = 1,646.20/x
  3. Step 3: Cross multiply
    4,420.16x = 6,629.44 × 1,646.20
  4. Step 4: Simplify right side
    4,420.16x = 10,913,384.13
  5. Step 5: Solve for x
    x = 10,913,384.13/4,420.16
  6. Step 6: Final answer
    x = 2,469.00

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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.