Home / 5,371.61-8,021.25-4,386.35

Finding the Fourth Proportional to 5,371.61, 8,021.25 and 4,386.35

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Solution

The fourth proportional to 5,371.61, 8,021.25 and 4,386.35 is: 6,549.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.61 : 8,021.25 = 4,386.35 : x
  2. Step 2: Convert to fraction form
    5,371.61/8,021.25 = 4,386.35/x
  3. Step 3: Cross multiply
    5,371.61x = 8,021.25 × 4,386.35
  4. Step 4: Simplify right side
    5,371.61x = 35,184,029.99
  5. Step 5: Solve for x
    x = 35,184,029.99/5,371.61
  6. Step 6: Final answer
    x = 6,549.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.