Home / 8,419.54-12,618.51-4,030.42

Finding the Fourth Proportional to 8,419.54, 12,618.51 and 4,030.42

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Solution

The fourth proportional to 8,419.54, 12,618.51 and 4,030.42 is: 6,040.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.54 : 12,618.51 = 4,030.42 : x
  2. Step 2: Convert to fraction form
    8,419.54/12,618.51 = 4,030.42/x
  3. Step 3: Cross multiply
    8,419.54x = 12,618.51 × 4,030.42
  4. Step 4: Simplify right side
    8,419.54x = 50,857,895.07
  5. Step 5: Solve for x
    x = 50,857,895.07/8,419.54
  6. Step 6: Final answer
    x = 6,040.46

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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.