Home / 7,928.42-10,942.58-4,570.64

Finding the Fourth Proportional to 7,928.42, 10,942.58 and 4,570.64

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Solution

The fourth proportional to 7,928.42, 10,942.58 and 4,570.64 is: 6,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.42 : 10,942.58 = 4,570.64 : x
  2. Step 2: Convert to fraction form
    7,928.42/10,942.58 = 4,570.64/x
  3. Step 3: Cross multiply
    7,928.42x = 10,942.58 × 4,570.64
  4. Step 4: Simplify right side
    7,928.42x = 50,014,516.29
  5. Step 5: Solve for x
    x = 50,014,516.29/7,928.42
  6. Step 6: Final answer
    x = 6,308.26

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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.