Home / 4,649.51-6,976.64-3,090.58

Finding the Fourth Proportional to 4,649.51, 6,976.64 and 3,090.58

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Solution

The fourth proportional to 4,649.51, 6,976.64 and 3,090.58 is: 4,637.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,649.51 : 6,976.64 = 3,090.58 : x
  2. Step 2: Convert to fraction form
    4,649.51/6,976.64 = 3,090.58/x
  3. Step 3: Cross multiply
    4,649.51x = 6,976.64 × 3,090.58
  4. Step 4: Simplify right side
    4,649.51x = 21,561,854.34
  5. Step 5: Solve for x
    x = 21,561,854.34/4,649.51
  6. Step 6: Final answer
    x = 4,637.44

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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.