Home / 8,403.12-11,596.08-4,677.12

Finding the Fourth Proportional to 8,403.12, 11,596.08 and 4,677.12

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Solution

The fourth proportional to 8,403.12, 11,596.08 and 4,677.12 is: 6,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.12 : 11,596.08 = 4,677.12 : x
  2. Step 2: Convert to fraction form
    8,403.12/11,596.08 = 4,677.12/x
  3. Step 3: Cross multiply
    8,403.12x = 11,596.08 × 4,677.12
  4. Step 4: Simplify right side
    8,403.12x = 54,236,257.69
  5. Step 5: Solve for x
    x = 54,236,257.69/8,403.12
  6. Step 6: Final answer
    x = 6,454.30

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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.