Home / 7,145.84-10,720.33-2,401.83

Finding the Fourth Proportional to 7,145.84, 10,720.33 and 2,401.83

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Solution

The fourth proportional to 7,145.84, 10,720.33 and 2,401.83 is: 3,603.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145.84 : 10,720.33 = 2,401.83 : x
  2. Step 2: Convert to fraction form
    7,145.84/10,720.33 = 2,401.83/x
  3. Step 3: Cross multiply
    7,145.84x = 10,720.33 × 2,401.83
  4. Step 4: Simplify right side
    7,145.84x = 25,748,398.19
  5. Step 5: Solve for x
    x = 25,748,398.19/7,145.84
  6. Step 6: Final answer
    x = 3,603.27

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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.