Home / 7,039.90-10,559.31-1,845.64

Finding the Fourth Proportional to 7,039.90, 10,559.31 and 1,845.64

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Solution

The fourth proportional to 7,039.90, 10,559.31 and 1,845.64 is: 2,768.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.90 : 10,559.31 = 1,845.64 : x
  2. Step 2: Convert to fraction form
    7,039.90/10,559.31 = 1,845.64/x
  3. Step 3: Cross multiply
    7,039.90x = 10,559.31 × 1,845.64
  4. Step 4: Simplify right side
    7,039.90x = 19,488,684.91
  5. Step 5: Solve for x
    x = 19,488,684.91/7,039.90
  6. Step 6: Final answer
    x = 2,768.32

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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.