Home / 8,315.90-11,460.16-5,953.94

Finding the Fourth Proportional to 8,315.90, 11,460.16 and 5,953.94

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Solution

The fourth proportional to 8,315.90, 11,460.16 and 5,953.94 is: 8,205.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.90 : 11,460.16 = 5,953.94 : x
  2. Step 2: Convert to fraction form
    8,315.90/11,460.16 = 5,953.94/x
  3. Step 3: Cross multiply
    8,315.90x = 11,460.16 × 5,953.94
  4. Step 4: Simplify right side
    8,315.90x = 68,233,141.12
  5. Step 5: Solve for x
    x = 68,233,141.12/8,315.90
  6. Step 6: Final answer
    x = 8,205.14

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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.