Home / 4,210.45-6,316.37-1,871.26

Finding the Fourth Proportional to 4,210.45, 6,316.37 and 1,871.26

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Solution

The fourth proportional to 4,210.45, 6,316.37 and 1,871.26 is: 2,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.45 : 6,316.37 = 1,871.26 : x
  2. Step 2: Convert to fraction form
    4,210.45/6,316.37 = 1,871.26/x
  3. Step 3: Cross multiply
    4,210.45x = 6,316.37 × 1,871.26
  4. Step 4: Simplify right side
    4,210.45x = 11,819,576.96
  5. Step 5: Solve for x
    x = 11,819,576.96/4,210.45
  6. Step 6: Final answer
    x = 2,807.20

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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.