Home / 4,774.50-6,588.81-2,911.86

Finding the Fourth Proportional to 4,774.50, 6,588.81 and 2,911.86

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Solution

The fourth proportional to 4,774.50, 6,588.81 and 2,911.86 is: 4,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.50 : 6,588.81 = 2,911.86 : x
  2. Step 2: Convert to fraction form
    4,774.50/6,588.81 = 2,911.86/x
  3. Step 3: Cross multiply
    4,774.50x = 6,588.81 × 2,911.86
  4. Step 4: Simplify right side
    4,774.50x = 19,185,692.29
  5. Step 5: Solve for x
    x = 19,185,692.29/4,774.50
  6. Step 6: Final answer
    x = 4,018.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.