Home / 8,820.19-13,230.46-4,137.61

Finding the Fourth Proportional to 8,820.19, 13,230.46 and 4,137.61

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Solution

The fourth proportional to 8,820.19, 13,230.46 and 4,137.61 is: 6,206.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.19 : 13,230.46 = 4,137.61 : x
  2. Step 2: Convert to fraction form
    8,820.19/13,230.46 = 4,137.61/x
  3. Step 3: Cross multiply
    8,820.19x = 13,230.46 × 4,137.61
  4. Step 4: Simplify right side
    8,820.19x = 54,742,417.45
  5. Step 5: Solve for x
    x = 54,742,417.45/8,820.19
  6. Step 6: Final answer
    x = 6,206.49

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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.