Home / 8,370.66-12,549.45-4,416.75

Finding the Fourth Proportional to 8,370.66, 12,549.45 and 4,416.75

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Solution

The fourth proportional to 8,370.66, 12,549.45 and 4,416.75 is: 6,621.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.66 : 12,549.45 = 4,416.75 : x
  2. Step 2: Convert to fraction form
    8,370.66/12,549.45 = 4,416.75/x
  3. Step 3: Cross multiply
    8,370.66x = 12,549.45 × 4,416.75
  4. Step 4: Simplify right side
    8,370.66x = 55,427,783.29
  5. Step 5: Solve for x
    x = 55,427,783.29/8,370.66
  6. Step 6: Final answer
    x = 6,621.67

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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.