Home / 6,426.36-9,631.60-3,655.32

Finding the Fourth Proportional to 6,426.36, 9,631.60 and 3,655.32

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Solution

The fourth proportional to 6,426.36, 9,631.60 and 3,655.32 is: 5,478.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.36 : 9,631.60 = 3,655.32 : x
  2. Step 2: Convert to fraction form
    6,426.36/9,631.60 = 3,655.32/x
  3. Step 3: Cross multiply
    6,426.36x = 9,631.60 × 3,655.32
  4. Step 4: Simplify right side
    6,426.36x = 35,206,580.11
  5. Step 5: Solve for x
    x = 35,206,580.11/6,426.36
  6. Step 6: Final answer
    x = 5,478.46

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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.