Home / 4,139.54-6,210.66-1,673.10

Finding the Fourth Proportional to 4,139.54, 6,210.66 and 1,673.10

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Solution

The fourth proportional to 4,139.54, 6,210.66 and 1,673.10 is: 2,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.54 : 6,210.66 = 1,673.10 : x
  2. Step 2: Convert to fraction form
    4,139.54/6,210.66 = 1,673.10/x
  3. Step 3: Cross multiply
    4,139.54x = 6,210.66 × 1,673.10
  4. Step 4: Simplify right side
    4,139.54x = 10,391,055.25
  5. Step 5: Solve for x
    x = 10,391,055.25/4,139.54
  6. Step 6: Final answer
    x = 2,510.20

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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.