Home / 5,003.80-7,491.30-4,485.40

Finding the Fourth Proportional to 5,003.80, 7,491.30 and 4,485.40

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Solution

The fourth proportional to 5,003.80, 7,491.30 and 4,485.40 is: 6,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.80 : 7,491.30 = 4,485.40 : x
  2. Step 2: Convert to fraction form
    5,003.80/7,491.30 = 4,485.40/x
  3. Step 3: Cross multiply
    5,003.80x = 7,491.30 × 4,485.40
  4. Step 4: Simplify right side
    5,003.80x = 33,601,477.02
  5. Step 5: Solve for x
    x = 33,601,477.02/5,003.80
  6. Step 6: Final answer
    x = 6,715.19

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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.