Home / 5,579.38-7,699.89-3,095.38

Finding the Fourth Proportional to 5,579.38, 7,699.89 and 3,095.38

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Solution

The fourth proportional to 5,579.38, 7,699.89 and 3,095.38 is: 4,271.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.38 : 7,699.89 = 3,095.38 : x
  2. Step 2: Convert to fraction form
    5,579.38/7,699.89 = 3,095.38/x
  3. Step 3: Cross multiply
    5,579.38x = 7,699.89 × 3,095.38
  4. Step 4: Simplify right side
    5,579.38x = 23,834,085.51
  5. Step 5: Solve for x
    x = 23,834,085.51/5,579.38
  6. Step 6: Final answer
    x = 4,271.82

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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.