Home / 7,798.51-11,680.14-5,468.86

Finding the Fourth Proportional to 7,798.51, 11,680.14 and 5,468.86

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Solution

The fourth proportional to 7,798.51, 11,680.14 and 5,468.86 is: 8,190.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.51 : 11,680.14 = 5,468.86 : x
  2. Step 2: Convert to fraction form
    7,798.51/11,680.14 = 5,468.86/x
  3. Step 3: Cross multiply
    7,798.51x = 11,680.14 × 5,468.86
  4. Step 4: Simplify right side
    7,798.51x = 63,877,050.44
  5. Step 5: Solve for x
    x = 63,877,050.44/7,798.51
  6. Step 6: Final answer
    x = 8,190.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.