Home / 4,445.96-6,664-1,520.24

Finding the Fourth Proportional to 4,445.96, 6,664 and 1,520.24

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Solution

The fourth proportional to 4,445.96, 6,664 and 1,520.24 is: 2,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.96 : 6,664 = 1,520.24 : x
  2. Step 2: Convert to fraction form
    4,445.96/6,664 = 1,520.24/x
  3. Step 3: Cross multiply
    4,445.96x = 6,664 × 1,520.24
  4. Step 4: Simplify right side
    4,445.96x = 10,130,879.36
  5. Step 5: Solve for x
    x = 10,130,879.36/4,445.96
  6. Step 6: Final answer
    x = 2,278.67

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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.