Home / 5,563.65-8,345.39-1,403.63

Finding the Fourth Proportional to 5,563.65, 8,345.39 and 1,403.63

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Solution

The fourth proportional to 5,563.65, 8,345.39 and 1,403.63 is: 2,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563.65 : 8,345.39 = 1,403.63 : x
  2. Step 2: Convert to fraction form
    5,563.65/8,345.39 = 1,403.63/x
  3. Step 3: Cross multiply
    5,563.65x = 8,345.39 × 1,403.63
  4. Step 4: Simplify right side
    5,563.65x = 11,713,839.77
  5. Step 5: Solve for x
    x = 11,713,839.77/5,563.65
  6. Step 6: Final answer
    x = 2,105.42

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1.5x scale

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.