Home / 6,503.63-9,756.47-2,120.07

Finding the Fourth Proportional to 6,503.63, 9,756.47 and 2,120.07

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Solution

The fourth proportional to 6,503.63, 9,756.47 and 2,120.07 is: 3,180.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503.63 : 9,756.47 = 2,120.07 : x
  2. Step 2: Convert to fraction form
    6,503.63/9,756.47 = 2,120.07/x
  3. Step 3: Cross multiply
    6,503.63x = 9,756.47 × 2,120.07
  4. Step 4: Simplify right side
    6,503.63x = 20,684,388.75
  5. Step 5: Solve for x
    x = 20,684,388.75/6,503.63
  6. Step 6: Final answer
    x = 3,180.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.