Home / 6,386.81-9,577.13-2,226.72

Finding the Fourth Proportional to 6,386.81, 9,577.13 and 2,226.72

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Solution

The fourth proportional to 6,386.81, 9,577.13 and 2,226.72 is: 3,339.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.81 : 9,577.13 = 2,226.72 : x
  2. Step 2: Convert to fraction form
    6,386.81/9,577.13 = 2,226.72/x
  3. Step 3: Cross multiply
    6,386.81x = 9,577.13 × 2,226.72
  4. Step 4: Simplify right side
    6,386.81x = 21,325,586.91
  5. Step 5: Solve for x
    x = 21,325,586.91/6,386.81
  6. Step 6: Final answer
    x = 3,339.00

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1.5x scale

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.