Home / 7,361.60-10,157.28-4,975.95

Finding the Fourth Proportional to 7,361.60, 10,157.28 and 4,975.95

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Solution

The fourth proportional to 7,361.60, 10,157.28 and 4,975.95 is: 6,865.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.60 : 10,157.28 = 4,975.95 : x
  2. Step 2: Convert to fraction form
    7,361.60/10,157.28 = 4,975.95/x
  3. Step 3: Cross multiply
    7,361.60x = 10,157.28 × 4,975.95
  4. Step 4: Simplify right side
    7,361.60x = 50,542,117.42
  5. Step 5: Solve for x
    x = 50,542,117.42/7,361.60
  6. Step 6: Final answer
    x = 6,865.64

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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.