Home / 4,259.12-6,386.61-1,485.96

Finding the Fourth Proportional to 4,259.12, 6,386.61 and 1,485.96

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Solution

The fourth proportional to 4,259.12, 6,386.61 and 1,485.96 is: 2,228.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.12 : 6,386.61 = 1,485.96 : x
  2. Step 2: Convert to fraction form
    4,259.12/6,386.61 = 1,485.96/x
  3. Step 3: Cross multiply
    4,259.12x = 6,386.61 × 1,485.96
  4. Step 4: Simplify right side
    4,259.12x = 9,490,247.00
  5. Step 5: Solve for x
    x = 9,490,247.00/4,259.12
  6. Step 6: Final answer
    x = 2,228.22

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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.