Home / 8,210.21-11,328.03-4,624.47

Finding the Fourth Proportional to 8,210.21, 11,328.03 and 4,624.47

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Solution

The fourth proportional to 8,210.21, 11,328.03 and 4,624.47 is: 6,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.21 : 11,328.03 = 4,624.47 : x
  2. Step 2: Convert to fraction form
    8,210.21/11,328.03 = 4,624.47/x
  3. Step 3: Cross multiply
    8,210.21x = 11,328.03 × 4,624.47
  4. Step 4: Simplify right side
    8,210.21x = 52,386,134.89
  5. Step 5: Solve for x
    x = 52,386,134.89/8,210.21
  6. Step 6: Final answer
    x = 6,380.61

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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.