Home / 4,647.77-6,416.93-2,881.25

Finding the Fourth Proportional to 4,647.77, 6,416.93 and 2,881.25

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Solution

The fourth proportional to 4,647.77, 6,416.93 and 2,881.25 is: 3,977.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.77 : 6,416.93 = 2,881.25 : x
  2. Step 2: Convert to fraction form
    4,647.77/6,416.93 = 2,881.25/x
  3. Step 3: Cross multiply
    4,647.77x = 6,416.93 × 2,881.25
  4. Step 4: Simplify right side
    4,647.77x = 18,488,779.56
  5. Step 5: Solve for x
    x = 18,488,779.56/4,647.77
  6. Step 6: Final answer
    x = 3,977.99

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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.