Home / 7,353.62-10,145.75-4,166.40

Finding the Fourth Proportional to 7,353.62, 10,145.75 and 4,166.40

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Solution

The fourth proportional to 7,353.62, 10,145.75 and 4,166.40 is: 5,748.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.62 : 10,145.75 = 4,166.40 : x
  2. Step 2: Convert to fraction form
    7,353.62/10,145.75 = 4,166.40/x
  3. Step 3: Cross multiply
    7,353.62x = 10,145.75 × 4,166.40
  4. Step 4: Simplify right side
    7,353.62x = 42,271,231.97
  5. Step 5: Solve for x
    x = 42,271,231.97/7,353.62
  6. Step 6: Final answer
    x = 5,748.36

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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.