Home / 5,135.02-7,086.81-3,039.46

Finding the Fourth Proportional to 5,135.02, 7,086.81 and 3,039.46

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Solution

The fourth proportional to 5,135.02, 7,086.81 and 3,039.46 is: 4,194.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.02 : 7,086.81 = 3,039.46 : x
  2. Step 2: Convert to fraction form
    5,135.02/7,086.81 = 3,039.46/x
  3. Step 3: Cross multiply
    5,135.02x = 7,086.81 × 3,039.46
  4. Step 4: Simplify right side
    5,135.02x = 21,540,075.52
  5. Step 5: Solve for x
    x = 21,540,075.52/5,135.02
  6. Step 6: Final answer
    x = 4,194.74

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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.