Home / 7,477.85-11,209.59-2,796.59

Finding the Fourth Proportional to 7,477.85, 11,209.59 and 2,796.59

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Solution

The fourth proportional to 7,477.85, 11,209.59 and 2,796.59 is: 4,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.85 : 11,209.59 = 2,796.59 : x
  2. Step 2: Convert to fraction form
    7,477.85/11,209.59 = 2,796.59/x
  3. Step 3: Cross multiply
    7,477.85x = 11,209.59 × 2,796.59
  4. Step 4: Simplify right side
    7,477.85x = 31,348,655.32
  5. Step 5: Solve for x
    x = 31,348,655.32/7,477.85
  6. Step 6: Final answer
    x = 4,192.20

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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.