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Finding the Fourth Proportional to 9,235.03, 12,733.23 and 6,404.86

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Solution

The fourth proportional to 9,235.03, 12,733.23 and 6,404.86 is: 8,831.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.03 : 12,733.23 = 6,404.86 : x
  2. Step 2: Convert to fraction form
    9,235.03/12,733.23 = 6,404.86/x
  3. Step 3: Cross multiply
    9,235.03x = 12,733.23 × 6,404.86
  4. Step 4: Simplify right side
    9,235.03x = 81,554,555.50
  5. Step 5: Solve for x
    x = 81,554,555.50/9,235.03
  6. Step 6: Final answer
    x = 8,831.00

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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.