Home / 4,060.47-6,089.78-1,139.07

Finding the Fourth Proportional to 4,060.47, 6,089.78 and 1,139.07

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Solution

The fourth proportional to 4,060.47, 6,089.78 and 1,139.07 is: 1,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,060.47 : 6,089.78 = 1,139.07 : x
  2. Step 2: Convert to fraction form
    4,060.47/6,089.78 = 1,139.07/x
  3. Step 3: Cross multiply
    4,060.47x = 6,089.78 × 1,139.07
  4. Step 4: Simplify right side
    4,060.47x = 6,936,680.01
  5. Step 5: Solve for x
    x = 6,936,680.01/4,060.47
  6. Step 6: Final answer
    x = 1,708.34

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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.