Home / 8,795.70-13,187.60-4,631.30

Finding the Fourth Proportional to 8,795.70, 13,187.60 and 4,631.30

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Solution

The fourth proportional to 8,795.70, 13,187.60 and 4,631.30 is: 6,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.70 : 13,187.60 = 4,631.30 : x
  2. Step 2: Convert to fraction form
    8,795.70/13,187.60 = 4,631.30/x
  3. Step 3: Cross multiply
    8,795.70x = 13,187.60 × 4,631.30
  4. Step 4: Simplify right side
    8,795.70x = 61,075,731.88
  5. Step 5: Solve for x
    x = 61,075,731.88/8,795.70
  6. Step 6: Final answer
    x = 6,943.82

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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.