Home / 4,647.47-6,408.09-3,156.35

Finding the Fourth Proportional to 4,647.47, 6,408.09 and 3,156.35

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Solution

The fourth proportional to 4,647.47, 6,408.09 and 3,156.35 is: 4,352.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.47 : 6,408.09 = 3,156.35 : x
  2. Step 2: Convert to fraction form
    4,647.47/6,408.09 = 3,156.35/x
  3. Step 3: Cross multiply
    4,647.47x = 6,408.09 × 3,156.35
  4. Step 4: Simplify right side
    4,647.47x = 20,226,174.87
  5. Step 5: Solve for x
    x = 20,226,174.87/4,647.47
  6. Step 6: Final answer
    x = 4,352.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.