Home / 9,328.61-13,993.55-3,485.09

Finding the Fourth Proportional to 9,328.61, 13,993.55 and 3,485.09

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Solution

The fourth proportional to 9,328.61, 13,993.55 and 3,485.09 is: 5,227.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.61 : 13,993.55 = 3,485.09 : x
  2. Step 2: Convert to fraction form
    9,328.61/13,993.55 = 3,485.09/x
  3. Step 3: Cross multiply
    9,328.61x = 13,993.55 × 3,485.09
  4. Step 4: Simplify right side
    9,328.61x = 48,768,693.78
  5. Step 5: Solve for x
    x = 48,768,693.78/9,328.61
  6. Step 6: Final answer
    x = 5,227.87

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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.