Home / 10,620.34-15,925.02-4,771.96

Finding the Fourth Proportional to 10,620.34, 15,925.02 and 4,771.96

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Solution

The fourth proportional to 10,620.34, 15,925.02 and 4,771.96 is: 7,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.34 : 15,925.02 = 4,771.96 : x
  2. Step 2: Convert to fraction form
    10,620.34/15,925.02 = 4,771.96/x
  3. Step 3: Cross multiply
    10,620.34x = 15,925.02 × 4,771.96
  4. Step 4: Simplify right side
    10,620.34x = 75,993,558.44
  5. Step 5: Solve for x
    x = 75,993,558.44/10,620.34
  6. Step 6: Final answer
    x = 7,155.47

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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.