Home / 5,555.10-8,332.02-1,659.21

Finding the Fourth Proportional to 5,555.10, 8,332.02 and 1,659.21

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Solution

The fourth proportional to 5,555.10, 8,332.02 and 1,659.21 is: 2,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.10 : 8,332.02 = 1,659.21 : x
  2. Step 2: Convert to fraction form
    5,555.10/8,332.02 = 1,659.21/x
  3. Step 3: Cross multiply
    5,555.10x = 8,332.02 × 1,659.21
  4. Step 4: Simplify right side
    5,555.10x = 13,824,570.90
  5. Step 5: Solve for x
    x = 13,824,570.90/5,555.10
  6. Step 6: Final answer
    x = 2,488.63

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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.