Home / 5,775.48-8,667.11-2,488.90

Finding the Fourth Proportional to 5,775.48, 8,667.11 and 2,488.90

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Solution

The fourth proportional to 5,775.48, 8,667.11 and 2,488.90 is: 3,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.48 : 8,667.11 = 2,488.90 : x
  2. Step 2: Convert to fraction form
    5,775.48/8,667.11 = 2,488.90/x
  3. Step 3: Cross multiply
    5,775.48x = 8,667.11 × 2,488.90
  4. Step 4: Simplify right side
    5,775.48x = 21,571,570.08
  5. Step 5: Solve for x
    x = 21,571,570.08/5,775.48
  6. Step 6: Final answer
    x = 3,735.03

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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.