Home / 5,343.12-7,372.98-2,985.48

Finding the Fourth Proportional to 5,343.12, 7,372.98 and 2,985.48

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Solution

The fourth proportional to 5,343.12, 7,372.98 and 2,985.48 is: 4,119.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.12 : 7,372.98 = 2,985.48 : x
  2. Step 2: Convert to fraction form
    5,343.12/7,372.98 = 2,985.48/x
  3. Step 3: Cross multiply
    5,343.12x = 7,372.98 × 2,985.48
  4. Step 4: Simplify right side
    5,343.12x = 22,011,884.33
  5. Step 5: Solve for x
    x = 22,011,884.33/5,343.12
  6. Step 6: Final answer
    x = 4,119.67

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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.