Home / 8,516.16-11,752.32-4,790.40

Finding the Fourth Proportional to 8,516.16, 11,752.32 and 4,790.40

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Solution

The fourth proportional to 8,516.16, 11,752.32 and 4,790.40 is: 6,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.16 : 11,752.32 = 4,790.40 : x
  2. Step 2: Convert to fraction form
    8,516.16/11,752.32 = 4,790.40/x
  3. Step 3: Cross multiply
    8,516.16x = 11,752.32 × 4,790.40
  4. Step 4: Simplify right side
    8,516.16x = 56,298,313.73
  5. Step 5: Solve for x
    x = 56,298,313.73/8,516.16
  6. Step 6: Final answer
    x = 6,610.76

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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.