Home / 4,477.02-6,705.30-2,138.67

Finding the Fourth Proportional to 4,477.02, 6,705.30 and 2,138.67

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Solution

The fourth proportional to 4,477.02, 6,705.30 and 2,138.67 is: 3,203.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.02 : 6,705.30 = 2,138.67 : x
  2. Step 2: Convert to fraction form
    4,477.02/6,705.30 = 2,138.67/x
  3. Step 3: Cross multiply
    4,477.02x = 6,705.30 × 2,138.67
  4. Step 4: Simplify right side
    4,477.02x = 14,340,423.95
  5. Step 5: Solve for x
    x = 14,340,423.95/4,477.02
  6. Step 6: Final answer
    x = 3,203.12

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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.