Home / 6,477.28-8,938.75-3,606.30

Finding the Fourth Proportional to 6,477.28, 8,938.75 and 3,606.30

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Solution

The fourth proportional to 6,477.28, 8,938.75 and 3,606.30 is: 4,976.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.28 : 8,938.75 = 3,606.30 : x
  2. Step 2: Convert to fraction form
    6,477.28/8,938.75 = 3,606.30/x
  3. Step 3: Cross multiply
    6,477.28x = 8,938.75 × 3,606.30
  4. Step 4: Simplify right side
    6,477.28x = 32,235,814.13
  5. Step 5: Solve for x
    x = 32,235,814.13/6,477.28
  6. Step 6: Final answer
    x = 4,976.75

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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.