Home / 4,615.75-6,923.38-1,328.71

Finding the Fourth Proportional to 4,615.75, 6,923.38 and 1,328.71

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Solution

The fourth proportional to 4,615.75, 6,923.38 and 1,328.71 is: 1,993.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.75 : 6,923.38 = 1,328.71 : x
  2. Step 2: Convert to fraction form
    4,615.75/6,923.38 = 1,328.71/x
  3. Step 3: Cross multiply
    4,615.75x = 6,923.38 × 1,328.71
  4. Step 4: Simplify right side
    4,615.75x = 9,199,157.60
  5. Step 5: Solve for x
    x = 9,199,157.60/4,615.75
  6. Step 6: Final answer
    x = 1,993.00

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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.