Home / 6,281.63-9,422.34-2,124.56

Finding the Fourth Proportional to 6,281.63, 9,422.34 and 2,124.56

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Solution

The fourth proportional to 6,281.63, 9,422.34 and 2,124.56 is: 3,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.63 : 9,422.34 = 2,124.56 : x
  2. Step 2: Convert to fraction form
    6,281.63/9,422.34 = 2,124.56/x
  3. Step 3: Cross multiply
    6,281.63x = 9,422.34 × 2,124.56
  4. Step 4: Simplify right side
    6,281.63x = 20,018,279.56
  5. Step 5: Solve for x
    x = 20,018,279.56/6,281.63
  6. Step 6: Final answer
    x = 3,186.80

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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.