Home / 5,389.07-8,083.61-1,691.63

Finding the Fourth Proportional to 5,389.07, 8,083.61 and 1,691.63

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Solution

The fourth proportional to 5,389.07, 8,083.61 and 1,691.63 is: 2,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.07 : 8,083.61 = 1,691.63 : x
  2. Step 2: Convert to fraction form
    5,389.07/8,083.61 = 1,691.63/x
  3. Step 3: Cross multiply
    5,389.07x = 8,083.61 × 1,691.63
  4. Step 4: Simplify right side
    5,389.07x = 13,674,477.18
  5. Step 5: Solve for x
    x = 13,674,477.18/5,389.07
  6. Step 6: Final answer
    x = 2,537.45

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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.