Home / 5,271.37-7,274.63-2,881.45

Finding the Fourth Proportional to 5,271.37, 7,274.63 and 2,881.45

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Solution

The fourth proportional to 5,271.37, 7,274.63 and 2,881.45 is: 3,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.37 : 7,274.63 = 2,881.45 : x
  2. Step 2: Convert to fraction form
    5,271.37/7,274.63 = 2,881.45/x
  3. Step 3: Cross multiply
    5,271.37x = 7,274.63 × 2,881.45
  4. Step 4: Simplify right side
    5,271.37x = 20,961,482.61
  5. Step 5: Solve for x
    x = 20,961,482.61/5,271.37
  6. Step 6: Final answer
    x = 3,976.48

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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.