Home / 4,430.40-6,645.60-1,352.40

Finding the Fourth Proportional to 4,430.40, 6,645.60 and 1,352.40

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Solution

The fourth proportional to 4,430.40, 6,645.60 and 1,352.40 is: 2,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.40 : 6,645.60 = 1,352.40 : x
  2. Step 2: Convert to fraction form
    4,430.40/6,645.60 = 1,352.40/x
  3. Step 3: Cross multiply
    4,430.40x = 6,645.60 × 1,352.40
  4. Step 4: Simplify right side
    4,430.40x = 8,987,509.44
  5. Step 5: Solve for x
    x = 8,987,509.44/4,430.40
  6. Step 6: Final answer
    x = 2,028.60

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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.