Home / 5,396.63-7,447.35-3,038.79

Finding the Fourth Proportional to 5,396.63, 7,447.35 and 3,038.79

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Solution

The fourth proportional to 5,396.63, 7,447.35 and 3,038.79 is: 4,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.63 : 7,447.35 = 3,038.79 : x
  2. Step 2: Convert to fraction form
    5,396.63/7,447.35 = 3,038.79/x
  3. Step 3: Cross multiply
    5,396.63x = 7,447.35 × 3,038.79
  4. Step 4: Simplify right side
    5,396.63x = 22,630,932.71
  5. Step 5: Solve for x
    x = 22,630,932.71/5,396.63
  6. Step 6: Final answer
    x = 4,193.53

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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.