Home / 4,210.43-6,315.60-1,090.16

Finding the Fourth Proportional to 4,210.43, 6,315.60 and 1,090.16

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Solution

The fourth proportional to 4,210.43, 6,315.60 and 1,090.16 is: 1,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.43 : 6,315.60 = 1,090.16 : x
  2. Step 2: Convert to fraction form
    4,210.43/6,315.60 = 1,090.16/x
  3. Step 3: Cross multiply
    4,210.43x = 6,315.60 × 1,090.16
  4. Step 4: Simplify right side
    4,210.43x = 6,884,982.92
  5. Step 5: Solve for x
    x = 6,884,982.92/4,210.43
  6. Step 6: Final answer
    x = 1,635.22

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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.