Home / 6,345.63-9,518.31-1,728.63

Finding the Fourth Proportional to 6,345.63, 9,518.31 and 1,728.63

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Solution

The fourth proportional to 6,345.63, 9,518.31 and 1,728.63 is: 2,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.63 : 9,518.31 = 1,728.63 : x
  2. Step 2: Convert to fraction form
    6,345.63/9,518.31 = 1,728.63/x
  3. Step 3: Cross multiply
    6,345.63x = 9,518.31 × 1,728.63
  4. Step 4: Simplify right side
    6,345.63x = 16,453,636.22
  5. Step 5: Solve for x
    x = 16,453,636.22/6,345.63
  6. Step 6: Final answer
    x = 2,592.91

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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.