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Finding the Fourth Proportional to 6,408, 8,835.03 and 5,347.29

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Solution

The fourth proportional to 6,408, 8,835.03 and 5,347.29 is: 7,372.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408 : 8,835.03 = 5,347.29 : x
  2. Step 2: Convert to fraction form
    6,408/8,835.03 = 5,347.29/x
  3. Step 3: Cross multiply
    6,408x = 8,835.03 × 5,347.29
  4. Step 4: Simplify right side
    6,408x = 47,243,467.57
  5. Step 5: Solve for x
    x = 47,243,467.57/6,408
  6. Step 6: Final answer
    x = 7,372.58

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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.