Home / 4,370-6,556.28-1,292.08

Finding the Fourth Proportional to 4,370, 6,556.28 and 1,292.08

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Solution

The fourth proportional to 4,370, 6,556.28 and 1,292.08 is: 1,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,370 : 6,556.28 = 1,292.08 : x
  2. Step 2: Convert to fraction form
    4,370/6,556.28 = 1,292.08/x
  3. Step 3: Cross multiply
    4,370x = 6,556.28 × 1,292.08
  4. Step 4: Simplify right side
    4,370x = 8,471,238.26
  5. Step 5: Solve for x
    x = 8,471,238.26/4,370
  6. Step 6: Final answer
    x = 1,938.50

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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.