Home / 5,009.12-6,912.54-2,993.45

Finding the Fourth Proportional to 5,009.12, 6,912.54 and 2,993.45

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Solution

The fourth proportional to 5,009.12, 6,912.54 and 2,993.45 is: 4,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.12 : 6,912.54 = 2,993.45 : x
  2. Step 2: Convert to fraction form
    5,009.12/6,912.54 = 2,993.45/x
  3. Step 3: Cross multiply
    5,009.12x = 6,912.54 × 2,993.45
  4. Step 4: Simplify right side
    5,009.12x = 20,692,327.74
  5. Step 5: Solve for x
    x = 20,692,327.74/5,009.12
  6. Step 6: Final answer
    x = 4,130.93

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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.