Home / 6,475.28-9,713.40-2,776.40

Finding the Fourth Proportional to 6,475.28, 9,713.40 and 2,776.40

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Solution

The fourth proportional to 6,475.28, 9,713.40 and 2,776.40 is: 4,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.28 : 9,713.40 = 2,776.40 : x
  2. Step 2: Convert to fraction form
    6,475.28/9,713.40 = 2,776.40/x
  3. Step 3: Cross multiply
    6,475.28x = 9,713.40 × 2,776.40
  4. Step 4: Simplify right side
    6,475.28x = 26,968,283.76
  5. Step 5: Solve for x
    x = 26,968,283.76/6,475.28
  6. Step 6: Final answer
    x = 4,164.81

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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.