Home / 5,566-8,345.76-1,866.20

Finding the Fourth Proportional to 5,566, 8,345.76 and 1,866.20

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Solution

The fourth proportional to 5,566, 8,345.76 and 1,866.20 is: 2,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,566 : 8,345.76 = 1,866.20 : x
  2. Step 2: Convert to fraction form
    5,566/8,345.76 = 1,866.20/x
  3. Step 3: Cross multiply
    5,566x = 8,345.76 × 1,866.20
  4. Step 4: Simplify right side
    5,566x = 15,574,857.31
  5. Step 5: Solve for x
    x = 15,574,857.31/5,566
  6. Step 6: Final answer
    x = 2,798.21

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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.