Home / 7,103.07-10,645.35-3,812.31

Finding the Fourth Proportional to 7,103.07, 10,645.35 and 3,812.31

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Solution

The fourth proportional to 7,103.07, 10,645.35 and 3,812.31 is: 5,713.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.07 : 10,645.35 = 3,812.31 : x
  2. Step 2: Convert to fraction form
    7,103.07/10,645.35 = 3,812.31/x
  3. Step 3: Cross multiply
    7,103.07x = 10,645.35 × 3,812.31
  4. Step 4: Simplify right side
    7,103.07x = 40,583,374.26
  5. Step 5: Solve for x
    x = 40,583,374.26/7,103.07
  6. Step 6: Final answer
    x = 5,713.50

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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.