Home / 5,903.20-8,127.84-5,017.60

Finding the Fourth Proportional to 5,903.20, 8,127.84 and 5,017.60

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Solution

The fourth proportional to 5,903.20, 8,127.84 and 5,017.60 is: 6,908.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.20 : 8,127.84 = 5,017.60 : x
  2. Step 2: Convert to fraction form
    5,903.20/8,127.84 = 5,017.60/x
  3. Step 3: Cross multiply
    5,903.20x = 8,127.84 × 5,017.60
  4. Step 4: Simplify right side
    5,903.20x = 40,782,249.98
  5. Step 5: Solve for x
    x = 40,782,249.98/5,903.20
  6. Step 6: Final answer
    x = 6,908.50

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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.