Home / 4,907.09-7,360.93-1,620.21

Finding the Fourth Proportional to 4,907.09, 7,360.93 and 1,620.21

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Solution

The fourth proportional to 4,907.09, 7,360.93 and 1,620.21 is: 2,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.09 : 7,360.93 = 1,620.21 : x
  2. Step 2: Convert to fraction form
    4,907.09/7,360.93 = 1,620.21/x
  3. Step 3: Cross multiply
    4,907.09x = 7,360.93 × 1,620.21
  4. Step 4: Simplify right side
    4,907.09x = 11,926,282.02
  5. Step 5: Solve for x
    x = 11,926,282.02/4,907.09
  6. Step 6: Final answer
    x = 2,430.42

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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.