Home / 8,381.50-11,565.60-4,845.84

Finding the Fourth Proportional to 8,381.50, 11,565.60 and 4,845.84

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Solution

The fourth proportional to 8,381.50, 11,565.60 and 4,845.84 is: 6,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381.50 : 11,565.60 = 4,845.84 : x
  2. Step 2: Convert to fraction form
    8,381.50/11,565.60 = 4,845.84/x
  3. Step 3: Cross multiply
    8,381.50x = 11,565.60 × 4,845.84
  4. Step 4: Simplify right side
    8,381.50x = 56,045,047.10
  5. Step 5: Solve for x
    x = 56,045,047.10/8,381.50
  6. Step 6: Final answer
    x = 6,686.76

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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.