Home / 4,339.30-6,509.33-1,219.33

Finding the Fourth Proportional to 4,339.30, 6,509.33 and 1,219.33

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Solution

The fourth proportional to 4,339.30, 6,509.33 and 1,219.33 is: 1,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.30 : 6,509.33 = 1,219.33 : x
  2. Step 2: Convert to fraction form
    4,339.30/6,509.33 = 1,219.33/x
  3. Step 3: Cross multiply
    4,339.30x = 6,509.33 × 1,219.33
  4. Step 4: Simplify right side
    4,339.30x = 7,937,017.09
  5. Step 5: Solve for x
    x = 7,937,017.09/4,339.30
  6. Step 6: Final answer
    x = 1,829.10

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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.