Home / 4,394.08-6,590.92-1,620.55

Finding the Fourth Proportional to 4,394.08, 6,590.92 and 1,620.55

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Solution

The fourth proportional to 4,394.08, 6,590.92 and 1,620.55 is: 2,430.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,394.08 : 6,590.92 = 1,620.55 : x
  2. Step 2: Convert to fraction form
    4,394.08/6,590.92 = 1,620.55/x
  3. Step 3: Cross multiply
    4,394.08x = 6,590.92 × 1,620.55
  4. Step 4: Simplify right side
    4,394.08x = 10,680,907.30
  5. Step 5: Solve for x
    x = 10,680,907.30/4,394.08
  6. Step 6: Final answer
    x = 2,430.75

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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.