Home / 5,289.61-7,928.71-2,325.42

Finding the Fourth Proportional to 5,289.61, 7,928.71 and 2,325.42

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Solution

The fourth proportional to 5,289.61, 7,928.71 and 2,325.42 is: 3,485.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.61 : 7,928.71 = 2,325.42 : x
  2. Step 2: Convert to fraction form
    5,289.61/7,928.71 = 2,325.42/x
  3. Step 3: Cross multiply
    5,289.61x = 7,928.71 × 2,325.42
  4. Step 4: Simplify right side
    5,289.61x = 18,437,580.81
  5. Step 5: Solve for x
    x = 18,437,580.81/5,289.61
  6. Step 6: Final answer
    x = 3,485.62

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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.