Home / 7,667.10-11,500.65-2,402.15

Finding the Fourth Proportional to 7,667.10, 11,500.65 and 2,402.15

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Solution

The fourth proportional to 7,667.10, 11,500.65 and 2,402.15 is: 3,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,667.10 : 11,500.65 = 2,402.15 : x
  2. Step 2: Convert to fraction form
    7,667.10/11,500.65 = 2,402.15/x
  3. Step 3: Cross multiply
    7,667.10x = 11,500.65 × 2,402.15
  4. Step 4: Simplify right side
    7,667.10x = 27,626,303.14
  5. Step 5: Solve for x
    x = 27,626,303.14/7,667.10
  6. Step 6: Final answer
    x = 3,603.23

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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.