Home / 5,297.31-7,310.34-2,907.45

Finding the Fourth Proportional to 5,297.31, 7,310.34 and 2,907.45

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Solution

The fourth proportional to 5,297.31, 7,310.34 and 2,907.45 is: 4,012.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.31 : 7,310.34 = 2,907.45 : x
  2. Step 2: Convert to fraction form
    5,297.31/7,310.34 = 2,907.45/x
  3. Step 3: Cross multiply
    5,297.31x = 7,310.34 × 2,907.45
  4. Step 4: Simplify right side
    5,297.31x = 21,254,448.03
  5. Step 5: Solve for x
    x = 21,254,448.03/5,297.31
  6. Step 6: Final answer
    x = 4,012.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.