Home / 5,351.47-7,384.98-2,993.64

Finding the Fourth Proportional to 5,351.47, 7,384.98 and 2,993.64

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Solution

The fourth proportional to 5,351.47, 7,384.98 and 2,993.64 is: 4,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.47 : 7,384.98 = 2,993.64 : x
  2. Step 2: Convert to fraction form
    5,351.47/7,384.98 = 2,993.64/x
  3. Step 3: Cross multiply
    5,351.47x = 7,384.98 × 2,993.64
  4. Step 4: Simplify right side
    5,351.47x = 22,107,971.53
  5. Step 5: Solve for x
    x = 22,107,971.53/5,351.47
  6. Step 6: Final answer
    x = 4,131.20

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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.