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Finding the Fourth Proportional to 5,699, 7,866.06 and 3,216.44

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Solution

The fourth proportional to 5,699, 7,866.06 and 3,216.44 is: 4,439.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699 : 7,866.06 = 3,216.44 : x
  2. Step 2: Convert to fraction form
    5,699/7,866.06 = 3,216.44/x
  3. Step 3: Cross multiply
    5,699x = 7,866.06 × 3,216.44
  4. Step 4: Simplify right side
    5,699x = 25,300,710.03
  5. Step 5: Solve for x
    x = 25,300,710.03/5,699
  6. Step 6: Final answer
    x = 4,439.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.