Home / 4,139.08-6,208.70-1,403.08

Finding the Fourth Proportional to 4,139.08, 6,208.70 and 1,403.08

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Solution

The fourth proportional to 4,139.08, 6,208.70 and 1,403.08 is: 2,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.08 : 6,208.70 = 1,403.08 : x
  2. Step 2: Convert to fraction form
    4,139.08/6,208.70 = 1,403.08/x
  3. Step 3: Cross multiply
    4,139.08x = 6,208.70 × 1,403.08
  4. Step 4: Simplify right side
    4,139.08x = 8,711,302.80
  5. Step 5: Solve for x
    x = 8,711,302.80/4,139.08
  6. Step 6: Final answer
    x = 2,104.65

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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.