Home / 6,428.85-9,646.91-2,535.99

Finding the Fourth Proportional to 6,428.85, 9,646.91 and 2,535.99

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Solution

The fourth proportional to 6,428.85, 9,646.91 and 2,535.99 is: 3,805.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.85 : 9,646.91 = 2,535.99 : x
  2. Step 2: Convert to fraction form
    6,428.85/9,646.91 = 2,535.99/x
  3. Step 3: Cross multiply
    6,428.85x = 9,646.91 × 2,535.99
  4. Step 4: Simplify right side
    6,428.85x = 24,464,454.61
  5. Step 5: Solve for x
    x = 24,464,454.61/6,428.85
  6. Step 6: Final answer
    x = 3,805.42

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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.