Home / 5,378.28-7,424.58-3,611.16

Finding the Fourth Proportional to 5,378.28, 7,424.58 and 3,611.16

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Solution

The fourth proportional to 5,378.28, 7,424.58 and 3,611.16 is: 4,985.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.28 : 7,424.58 = 3,611.16 : x
  2. Step 2: Convert to fraction form
    5,378.28/7,424.58 = 3,611.16/x
  3. Step 3: Cross multiply
    5,378.28x = 7,424.58 × 3,611.16
  4. Step 4: Simplify right side
    5,378.28x = 26,811,346.31
  5. Step 5: Solve for x
    x = 26,811,346.31/5,378.28
  6. Step 6: Final answer
    x = 4,985.12

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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.