Home / 8,930.96-13,396.44-5,490.08

Finding the Fourth Proportional to 8,930.96, 13,396.44 and 5,490.08

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Solution

The fourth proportional to 8,930.96, 13,396.44 and 5,490.08 is: 8,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.96 : 13,396.44 = 5,490.08 : x
  2. Step 2: Convert to fraction form
    8,930.96/13,396.44 = 5,490.08/x
  3. Step 3: Cross multiply
    8,930.96x = 13,396.44 × 5,490.08
  4. Step 4: Simplify right side
    8,930.96x = 73,547,527.32
  5. Step 5: Solve for x
    x = 73,547,527.32/8,930.96
  6. Step 6: Final answer
    x = 8,235.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.