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Finding the Fourth Proportional to 4,923.81, 7,383.45 and 1,803.03

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Solution

The fourth proportional to 4,923.81, 7,383.45 and 1,803.03 is: 2,703.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.81 : 7,383.45 = 1,803.03 : x
  2. Step 2: Convert to fraction form
    4,923.81/7,383.45 = 1,803.03/x
  3. Step 3: Cross multiply
    4,923.81x = 7,383.45 × 1,803.03
  4. Step 4: Simplify right side
    4,923.81x = 13,312,581.85
  5. Step 5: Solve for x
    x = 13,312,581.85/4,923.81
  6. Step 6: Final answer
    x = 2,703.72

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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.