Home / 7,726.64-11,590.85-2,798.60

Finding the Fourth Proportional to 7,726.64, 11,590.85 and 2,798.60

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Solution

The fourth proportional to 7,726.64, 11,590.85 and 2,798.60 is: 4,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.64 : 11,590.85 = 2,798.60 : x
  2. Step 2: Convert to fraction form
    7,726.64/11,590.85 = 2,798.60/x
  3. Step 3: Cross multiply
    7,726.64x = 11,590.85 × 2,798.60
  4. Step 4: Simplify right side
    7,726.64x = 32,438,152.81
  5. Step 5: Solve for x
    x = 32,438,152.81/7,726.64
  6. Step 6: Final answer
    x = 4,198.22

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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.