Home / 4,485.60-6,728.40-1,563.23

Finding the Fourth Proportional to 4,485.60, 6,728.40 and 1,563.23

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Solution

The fourth proportional to 4,485.60, 6,728.40 and 1,563.23 is: 2,344.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.60 : 6,728.40 = 1,563.23 : x
  2. Step 2: Convert to fraction form
    4,485.60/6,728.40 = 1,563.23/x
  3. Step 3: Cross multiply
    4,485.60x = 6,728.40 × 1,563.23
  4. Step 4: Simplify right side
    4,485.60x = 10,518,053.55
  5. Step 5: Solve for x
    x = 10,518,053.55/4,485.60
  6. Step 6: Final answer
    x = 2,344.85

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Double scale
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Similar ratio
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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.