Home / 5,646.12-7,790.90-3,256.19

Finding the Fourth Proportional to 5,646.12, 7,790.90 and 3,256.19

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Solution

The fourth proportional to 5,646.12, 7,790.90 and 3,256.19 is: 4,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.12 : 7,790.90 = 3,256.19 : x
  2. Step 2: Convert to fraction form
    5,646.12/7,790.90 = 3,256.19/x
  3. Step 3: Cross multiply
    5,646.12x = 7,790.90 × 3,256.19
  4. Step 4: Simplify right side
    5,646.12x = 25,368,595.44
  5. Step 5: Solve for x
    x = 25,368,595.44/5,646.12
  6. Step 6: Final answer
    x = 4,493.10

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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.