Home / 6,417.36-8,857.44-4,058.64

Finding the Fourth Proportional to 6,417.36, 8,857.44 and 4,058.64

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Solution

The fourth proportional to 6,417.36, 8,857.44 and 4,058.64 is: 5,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.36 : 8,857.44 = 4,058.64 : x
  2. Step 2: Convert to fraction form
    6,417.36/8,857.44 = 4,058.64/x
  3. Step 3: Cross multiply
    6,417.36x = 8,857.44 × 4,058.64
  4. Step 4: Simplify right side
    6,417.36x = 35,949,160.28
  5. Step 5: Solve for x
    x = 35,949,160.28/6,417.36
  6. Step 6: Final answer
    x = 5,601.86

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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.