Home / 4,210.30-6,309-2,124.49

Finding the Fourth Proportional to 4,210.30, 6,309 and 2,124.49

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Solution

The fourth proportional to 4,210.30, 6,309 and 2,124.49 is: 3,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.30 : 6,309 = 2,124.49 : x
  2. Step 2: Convert to fraction form
    4,210.30/6,309 = 2,124.49/x
  3. Step 3: Cross multiply
    4,210.30x = 6,309 × 2,124.49
  4. Step 4: Simplify right side
    4,210.30x = 13,403,407.41
  5. Step 5: Solve for x
    x = 13,403,407.41/4,210.30
  6. Step 6: Final answer
    x = 3,183.48

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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.