Home / 7,989.09-11,025.28-4,632.65

Finding the Fourth Proportional to 7,989.09, 11,025.28 and 4,632.65

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Solution

The fourth proportional to 7,989.09, 11,025.28 and 4,632.65 is: 6,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.09 : 11,025.28 = 4,632.65 : x
  2. Step 2: Convert to fraction form
    7,989.09/11,025.28 = 4,632.65/x
  3. Step 3: Cross multiply
    7,989.09x = 11,025.28 × 4,632.65
  4. Step 4: Simplify right side
    7,989.09x = 51,076,263.39
  5. Step 5: Solve for x
    x = 51,076,263.39/7,989.09
  6. Step 6: Final answer
    x = 6,393.25

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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.