Home / 6,964.63-10,420.77-4,888.69

Finding the Fourth Proportional to 6,964.63, 10,420.77 and 4,888.69

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Solution

The fourth proportional to 6,964.63, 10,420.77 and 4,888.69 is: 7,314.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,964.63 : 10,420.77 = 4,888.69 : x
  2. Step 2: Convert to fraction form
    6,964.63/10,420.77 = 4,888.69/x
  3. Step 3: Cross multiply
    6,964.63x = 10,420.77 × 4,888.69
  4. Step 4: Simplify right side
    6,964.63x = 50,943,914.09
  5. Step 5: Solve for x
    x = 50,943,914.09/6,964.63
  6. Step 6: Final answer
    x = 7,314.66

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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.