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Finding the Fourth Proportional to 5,368.36, 8,053.31 and 1,670.92

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Solution

The fourth proportional to 5,368.36, 8,053.31 and 1,670.92 is: 2,506.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.36 : 8,053.31 = 1,670.92 : x
  2. Step 2: Convert to fraction form
    5,368.36/8,053.31 = 1,670.92/x
  3. Step 3: Cross multiply
    5,368.36x = 8,053.31 × 1,670.92
  4. Step 4: Simplify right side
    5,368.36x = 13,456,436.75
  5. Step 5: Solve for x
    x = 13,456,436.75/5,368.36
  6. Step 6: Final answer
    x = 2,506.62

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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.