Home / 7,898.23-11,846.91-4,777.40

Finding the Fourth Proportional to 7,898.23, 11,846.91 and 4,777.40

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Solution

The fourth proportional to 7,898.23, 11,846.91 and 4,777.40 is: 7,165.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.23 : 11,846.91 = 4,777.40 : x
  2. Step 2: Convert to fraction form
    7,898.23/11,846.91 = 4,777.40/x
  3. Step 3: Cross multiply
    7,898.23x = 11,846.91 × 4,777.40
  4. Step 4: Simplify right side
    7,898.23x = 56,597,427.83
  5. Step 5: Solve for x
    x = 56,597,427.83/7,898.23
  6. Step 6: Final answer
    x = 7,165.84

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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.