Home / 7,316.64-10,975.68-3,157.92

Finding the Fourth Proportional to 7,316.64, 10,975.68 and 3,157.92

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Solution

The fourth proportional to 7,316.64, 10,975.68 and 3,157.92 is: 4,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.64 : 10,975.68 = 3,157.92 : x
  2. Step 2: Convert to fraction form
    7,316.64/10,975.68 = 3,157.92/x
  3. Step 3: Cross multiply
    7,316.64x = 10,975.68 × 3,157.92
  4. Step 4: Simplify right side
    7,316.64x = 34,660,319.39
  5. Step 5: Solve for x
    x = 34,660,319.39/7,316.64
  6. Step 6: Final answer
    x = 4,737.19

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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.