Home / 9,318.06-12,859.02-5,339.34

Finding the Fourth Proportional to 9,318.06, 12,859.02 and 5,339.34

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Solution

The fourth proportional to 9,318.06, 12,859.02 and 5,339.34 is: 7,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.06 : 12,859.02 = 5,339.34 : x
  2. Step 2: Convert to fraction form
    9,318.06/12,859.02 = 5,339.34/x
  3. Step 3: Cross multiply
    9,318.06x = 12,859.02 × 5,339.34
  4. Step 4: Simplify right side
    9,318.06x = 68,658,679.85
  5. Step 5: Solve for x
    x = 68,658,679.85/9,318.06
  6. Step 6: Final answer
    x = 7,368.34

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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.