Home / 6,464.10-8,918.16-3,669.60

Finding the Fourth Proportional to 6,464.10, 8,918.16 and 3,669.60

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Solution

The fourth proportional to 6,464.10, 8,918.16 and 3,669.60 is: 5,062.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464.10 : 8,918.16 = 3,669.60 : x
  2. Step 2: Convert to fraction form
    6,464.10/8,918.16 = 3,669.60/x
  3. Step 3: Cross multiply
    6,464.10x = 8,918.16 × 3,669.60
  4. Step 4: Simplify right side
    6,464.10x = 32,726,079.94
  5. Step 5: Solve for x
    x = 32,726,079.94/6,464.10
  6. Step 6: Final answer
    x = 5,062.74

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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.