Home / 7,583.60-11,328.70-5,485.64

Finding the Fourth Proportional to 7,583.60, 11,328.70 and 5,485.64

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Solution

The fourth proportional to 7,583.60, 11,328.70 and 5,485.64 is: 8,194.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,583.60 : 11,328.70 = 5,485.64 : x
  2. Step 2: Convert to fraction form
    7,583.60/11,328.70 = 5,485.64/x
  3. Step 3: Cross multiply
    7,583.60x = 11,328.70 × 5,485.64
  4. Step 4: Simplify right side
    7,583.60x = 62,145,169.87
  5. Step 5: Solve for x
    x = 62,145,169.87/7,583.60
  6. Step 6: Final answer
    x = 8,194.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.