Home / 4,326.09-6,490.19-1,404.39

Finding the Fourth Proportional to 4,326.09, 6,490.19 and 1,404.39

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Solution

The fourth proportional to 4,326.09, 6,490.19 and 1,404.39 is: 2,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,326.09 : 6,490.19 = 1,404.39 : x
  2. Step 2: Convert to fraction form
    4,326.09/6,490.19 = 1,404.39/x
  3. Step 3: Cross multiply
    4,326.09x = 6,490.19 × 1,404.39
  4. Step 4: Simplify right side
    4,326.09x = 9,114,750.91
  5. Step 5: Solve for x
    x = 9,114,750.91/4,326.09
  6. Step 6: Final answer
    x = 2,106.93

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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.