Home / 6,408.15-8,830.13-4,726.89

Finding the Fourth Proportional to 6,408.15, 8,830.13 and 4,726.89

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Solution

The fourth proportional to 6,408.15, 8,830.13 and 4,726.89 is: 6,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.15 : 8,830.13 = 4,726.89 : x
  2. Step 2: Convert to fraction form
    6,408.15/8,830.13 = 4,726.89/x
  3. Step 3: Cross multiply
    6,408.15x = 8,830.13 × 4,726.89
  4. Step 4: Simplify right side
    6,408.15x = 41,739,062.67
  5. Step 5: Solve for x
    x = 41,739,062.67/6,408.15
  6. Step 6: Final answer
    x = 6,513.43

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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.