Home / 7,485.60-10,333.83-4,503.72

Finding the Fourth Proportional to 7,485.60, 10,333.83 and 4,503.72

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Solution

The fourth proportional to 7,485.60, 10,333.83 and 4,503.72 is: 6,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.60 : 10,333.83 = 4,503.72 : x
  2. Step 2: Convert to fraction form
    7,485.60/10,333.83 = 4,503.72/x
  3. Step 3: Cross multiply
    7,485.60x = 10,333.83 × 4,503.72
  4. Step 4: Simplify right side
    7,485.60x = 46,540,676.85
  5. Step 5: Solve for x
    x = 46,540,676.85/7,485.60
  6. Step 6: Final answer
    x = 6,217.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.