Home / 5,003.60-7,505.40-4,790.30

Finding the Fourth Proportional to 5,003.60, 7,505.40 and 4,790.30

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Solution

The fourth proportional to 5,003.60, 7,505.40 and 4,790.30 is: 7,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.60 : 7,505.40 = 4,790.30 : x
  2. Step 2: Convert to fraction form
    5,003.60/7,505.40 = 4,790.30/x
  3. Step 3: Cross multiply
    5,003.60x = 7,505.40 × 4,790.30
  4. Step 4: Simplify right side
    5,003.60x = 35,953,117.62
  5. Step 5: Solve for x
    x = 35,953,117.62/5,003.60
  6. Step 6: Final answer
    x = 7,185.45

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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.