Home / 4,089.92-6,135.10-1,316.39

Finding the Fourth Proportional to 4,089.92, 6,135.10 and 1,316.39

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Solution

The fourth proportional to 4,089.92, 6,135.10 and 1,316.39 is: 1,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.92 : 6,135.10 = 1,316.39 : x
  2. Step 2: Convert to fraction form
    4,089.92/6,135.10 = 1,316.39/x
  3. Step 3: Cross multiply
    4,089.92x = 6,135.10 × 1,316.39
  4. Step 4: Simplify right side
    4,089.92x = 8,076,150.32
  5. Step 5: Solve for x
    x = 8,076,150.32/4,089.92
  6. Step 6: Final answer
    x = 1,974.65

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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.