Home / 4,815.72-7,235.76-4,621.32

Finding the Fourth Proportional to 4,815.72, 7,235.76 and 4,621.32

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Solution

The fourth proportional to 4,815.72, 7,235.76 and 4,621.32 is: 6,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.72 : 7,235.76 = 4,621.32 : x
  2. Step 2: Convert to fraction form
    4,815.72/7,235.76 = 4,621.32/x
  3. Step 3: Cross multiply
    4,815.72x = 7,235.76 × 4,621.32
  4. Step 4: Simplify right side
    4,815.72x = 33,438,762.40
  5. Step 5: Solve for x
    x = 33,438,762.40/4,815.72
  6. Step 6: Final answer
    x = 6,943.67

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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.