Home / 8,314.46-12,477.09-4,421.60

Finding the Fourth Proportional to 8,314.46, 12,477.09 and 4,421.60

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Solution

The fourth proportional to 8,314.46, 12,477.09 and 4,421.60 is: 6,635.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314.46 : 12,477.09 = 4,421.60 : x
  2. Step 2: Convert to fraction form
    8,314.46/12,477.09 = 4,421.60/x
  3. Step 3: Cross multiply
    8,314.46x = 12,477.09 × 4,421.60
  4. Step 4: Simplify right side
    8,314.46x = 55,168,701.14
  5. Step 5: Solve for x
    x = 55,168,701.14/8,314.46
  6. Step 6: Final answer
    x = 6,635.27

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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.