Home / 4,499.84-6,750.40-1,422.08

Finding the Fourth Proportional to 4,499.84, 6,750.40 and 1,422.08

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Solution

The fourth proportional to 4,499.84, 6,750.40 and 1,422.08 is: 2,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,499.84 : 6,750.40 = 1,422.08 : x
  2. Step 2: Convert to fraction form
    4,499.84/6,750.40 = 1,422.08/x
  3. Step 3: Cross multiply
    4,499.84x = 6,750.40 × 1,422.08
  4. Step 4: Simplify right side
    4,499.84x = 9,599,608.83
  5. Step 5: Solve for x
    x = 9,599,608.83/4,499.84
  6. Step 6: Final answer
    x = 2,133.32

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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.