Home / 7,401.22-10,214.14-4,257.34

Finding the Fourth Proportional to 7,401.22, 10,214.14 and 4,257.34

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Solution

The fourth proportional to 7,401.22, 10,214.14 and 4,257.34 is: 5,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.22 : 10,214.14 = 4,257.34 : x
  2. Step 2: Convert to fraction form
    7,401.22/10,214.14 = 4,257.34/x
  3. Step 3: Cross multiply
    7,401.22x = 10,214.14 × 4,257.34
  4. Step 4: Simplify right side
    7,401.22x = 43,485,066.79
  5. Step 5: Solve for x
    x = 43,485,066.79/7,401.22
  6. Step 6: Final answer
    x = 5,875.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.