Home / 8,430.94-12,648.84-2,588.41

Finding the Fourth Proportional to 8,430.94, 12,648.84 and 2,588.41

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Solution

The fourth proportional to 8,430.94, 12,648.84 and 2,588.41 is: 3,883.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.94 : 12,648.84 = 2,588.41 : x
  2. Step 2: Convert to fraction form
    8,430.94/12,648.84 = 2,588.41/x
  3. Step 3: Cross multiply
    8,430.94x = 12,648.84 × 2,588.41
  4. Step 4: Simplify right side
    8,430.94x = 32,740,383.94
  5. Step 5: Solve for x
    x = 32,740,383.94/8,430.94
  6. Step 6: Final answer
    x = 3,883.36

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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.