Home / 7,448.58-10,260.72-6,382.86

Finding the Fourth Proportional to 7,448.58, 10,260.72 and 6,382.86

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Solution

The fourth proportional to 7,448.58, 10,260.72 and 6,382.86 is: 8,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.58 : 10,260.72 = 6,382.86 : x
  2. Step 2: Convert to fraction form
    7,448.58/10,260.72 = 6,382.86/x
  3. Step 3: Cross multiply
    7,448.58x = 10,260.72 × 6,382.86
  4. Step 4: Simplify right side
    7,448.58x = 65,492,739.26
  5. Step 5: Solve for x
    x = 65,492,739.26/7,448.58
  6. Step 6: Final answer
    x = 8,792.65

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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.