Home / 4,093.19-6,140.66-1,320.02

Finding the Fourth Proportional to 4,093.19, 6,140.66 and 1,320.02

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Solution

The fourth proportional to 4,093.19, 6,140.66 and 1,320.02 is: 1,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,093.19 : 6,140.66 = 1,320.02 : x
  2. Step 2: Convert to fraction form
    4,093.19/6,140.66 = 1,320.02/x
  3. Step 3: Cross multiply
    4,093.19x = 6,140.66 × 1,320.02
  4. Step 4: Simplify right side
    4,093.19x = 8,105,756.71
  5. Step 5: Solve for x
    x = 8,105,756.71/4,093.19
  6. Step 6: Final answer
    x = 1,980.31

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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.