Home / 4,740.26-7,109.64-1,620.26

Finding the Fourth Proportional to 4,740.26, 7,109.64 and 1,620.26

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Solution

The fourth proportional to 4,740.26, 7,109.64 and 1,620.26 is: 2,430.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.26 : 7,109.64 = 1,620.26 : x
  2. Step 2: Convert to fraction form
    4,740.26/7,109.64 = 1,620.26/x
  3. Step 3: Cross multiply
    4,740.26x = 7,109.64 × 1,620.26
  4. Step 4: Simplify right side
    4,740.26x = 11,519,465.31
  5. Step 5: Solve for x
    x = 11,519,465.31/4,740.26
  6. Step 6: Final answer
    x = 2,430.13

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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.