Home / 8,234.57-11,368.95-5,406.96

Finding the Fourth Proportional to 8,234.57, 11,368.95 and 5,406.96

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Solution

The fourth proportional to 8,234.57, 11,368.95 and 5,406.96 is: 7,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.57 : 11,368.95 = 5,406.96 : x
  2. Step 2: Convert to fraction form
    8,234.57/11,368.95 = 5,406.96/x
  3. Step 3: Cross multiply
    8,234.57x = 11,368.95 × 5,406.96
  4. Step 4: Simplify right side
    8,234.57x = 61,471,489.24
  5. Step 5: Solve for x
    x = 61,471,489.24/8,234.57
  6. Step 6: Final answer
    x = 7,465.05

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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.