Home / 6,466.64-8,921.76-3,948.08

Finding the Fourth Proportional to 6,466.64, 8,921.76 and 3,948.08

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Solution

The fourth proportional to 6,466.64, 8,921.76 and 3,948.08 is: 5,447.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,466.64 : 8,921.76 = 3,948.08 : x
  2. Step 2: Convert to fraction form
    6,466.64/8,921.76 = 3,948.08/x
  3. Step 3: Cross multiply
    6,466.64x = 8,921.76 × 3,948.08
  4. Step 4: Simplify right side
    6,466.64x = 35,223,822.22
  5. Step 5: Solve for x
    x = 35,223,822.22/6,466.64
  6. Step 6: Final answer
    x = 5,447.01

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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.