Home / 7,840.44-10,820.25-4,303.65

Finding the Fourth Proportional to 7,840.44, 10,820.25 and 4,303.65

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Solution

The fourth proportional to 7,840.44, 10,820.25 and 4,303.65 is: 5,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.44 : 10,820.25 = 4,303.65 : x
  2. Step 2: Convert to fraction form
    7,840.44/10,820.25 = 4,303.65/x
  3. Step 3: Cross multiply
    7,840.44x = 10,820.25 × 4,303.65
  4. Step 4: Simplify right side
    7,840.44x = 46,566,568.91
  5. Step 5: Solve for x
    x = 46,566,568.91/7,840.44
  6. Step 6: Final answer
    x = 5,939.28

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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.