Home / 8,741.93-13,098.31-6,140.21

Finding the Fourth Proportional to 8,741.93, 13,098.31 and 6,140.21

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Solution

The fourth proportional to 8,741.93, 13,098.31 and 6,140.21 is: 9,200.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.93 : 13,098.31 = 6,140.21 : x
  2. Step 2: Convert to fraction form
    8,741.93/13,098.31 = 6,140.21/x
  3. Step 3: Cross multiply
    8,741.93x = 13,098.31 × 6,140.21
  4. Step 4: Simplify right side
    8,741.93x = 80,426,293.20
  5. Step 5: Solve for x
    x = 80,426,293.20/8,741.93
  6. Step 6: Final answer
    x = 9,200.07

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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.