Home / 4,971.80-7,458.60-2,050.40

Finding the Fourth Proportional to 4,971.80, 7,458.60 and 2,050.40

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Solution

The fourth proportional to 4,971.80, 7,458.60 and 2,050.40 is: 3,075.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.80 : 7,458.60 = 2,050.40 : x
  2. Step 2: Convert to fraction form
    4,971.80/7,458.60 = 2,050.40/x
  3. Step 3: Cross multiply
    4,971.80x = 7,458.60 × 2,050.40
  4. Step 4: Simplify right side
    4,971.80x = 15,293,113.44
  5. Step 5: Solve for x
    x = 15,293,113.44/4,971.80
  6. Step 6: Final answer
    x = 3,075.97

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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.