Home / 4,208.85-6,317.10-2,130.30

Finding the Fourth Proportional to 4,208.85, 6,317.10 and 2,130.30

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Solution

The fourth proportional to 4,208.85, 6,317.10 and 2,130.30 is: 3,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.85 : 6,317.10 = 2,130.30 : x
  2. Step 2: Convert to fraction form
    4,208.85/6,317.10 = 2,130.30/x
  3. Step 3: Cross multiply
    4,208.85x = 6,317.10 × 2,130.30
  4. Step 4: Simplify right side
    4,208.85x = 13,457,318.13
  5. Step 5: Solve for x
    x = 13,457,318.13/4,208.85
  6. Step 6: Final answer
    x = 3,197.39

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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.