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Finding the Fourth Proportional to 7,603.79, 11,410.79 and 2,673.45

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Solution

The fourth proportional to 7,603.79, 11,410.79 and 2,673.45 is: 4,011.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.79 : 11,410.79 = 2,673.45 : x
  2. Step 2: Convert to fraction form
    7,603.79/11,410.79 = 2,673.45/x
  3. Step 3: Cross multiply
    7,603.79x = 11,410.79 × 2,673.45
  4. Step 4: Simplify right side
    7,603.79x = 30,506,163.16
  5. Step 5: Solve for x
    x = 30,506,163.16/7,603.79
  6. Step 6: Final answer
    x = 4,011.97

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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.