Home / 4,350.88-6,525.36-1,428.40

Finding the Fourth Proportional to 4,350.88, 6,525.36 and 1,428.40

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Solution

The fourth proportional to 4,350.88, 6,525.36 and 1,428.40 is: 2,142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,350.88 : 6,525.36 = 1,428.40 : x
  2. Step 2: Convert to fraction form
    4,350.88/6,525.36 = 1,428.40/x
  3. Step 3: Cross multiply
    4,350.88x = 6,525.36 × 1,428.40
  4. Step 4: Simplify right side
    4,350.88x = 9,320,824.22
  5. Step 5: Solve for x
    x = 9,320,824.22/4,350.88
  6. Step 6: Final answer
    x = 2,142.28

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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.