Home / 4,610.40-6,360.48-2,840.16

Finding the Fourth Proportional to 4,610.40, 6,360.48 and 2,840.16

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Solution

The fourth proportional to 4,610.40, 6,360.48 and 2,840.16 is: 3,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.40 : 6,360.48 = 2,840.16 : x
  2. Step 2: Convert to fraction form
    4,610.40/6,360.48 = 2,840.16/x
  3. Step 3: Cross multiply
    4,610.40x = 6,360.48 × 2,840.16
  4. Step 4: Simplify right side
    4,610.40x = 18,064,780.88
  5. Step 5: Solve for x
    x = 18,064,780.88/4,610.40
  6. Step 6: Final answer
    x = 3,918.27

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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.