Home / 7,417.90-11,131.23-2,741.21

Finding the Fourth Proportional to 7,417.90, 11,131.23 and 2,741.21

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Solution

The fourth proportional to 7,417.90, 11,131.23 and 2,741.21 is: 4,113.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.90 : 11,131.23 = 2,741.21 : x
  2. Step 2: Convert to fraction form
    7,417.90/11,131.23 = 2,741.21/x
  3. Step 3: Cross multiply
    7,417.90x = 11,131.23 × 2,741.21
  4. Step 4: Simplify right side
    7,417.90x = 30,513,066.82
  5. Step 5: Solve for x
    x = 30,513,066.82/7,417.90
  6. Step 6: Final answer
    x = 4,113.44

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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.