Home / 8,316.63-11,476.92-4,779.81

Finding the Fourth Proportional to 8,316.63, 11,476.92 and 4,779.81

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Solution

The fourth proportional to 8,316.63, 11,476.92 and 4,779.81 is: 6,596.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.63 : 11,476.92 = 4,779.81 : x
  2. Step 2: Convert to fraction form
    8,316.63/11,476.92 = 4,779.81/x
  3. Step 3: Cross multiply
    8,316.63x = 11,476.92 × 4,779.81
  4. Step 4: Simplify right side
    8,316.63x = 54,857,496.99
  5. Step 5: Solve for x
    x = 54,857,496.99/8,316.63
  6. Step 6: Final answer
    x = 6,596.12

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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.