Home / 6,431.40-9,647.10-2,535.30

Finding the Fourth Proportional to 6,431.40, 9,647.10 and 2,535.30

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Solution

The fourth proportional to 6,431.40, 9,647.10 and 2,535.30 is: 3,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.40 : 9,647.10 = 2,535.30 : x
  2. Step 2: Convert to fraction form
    6,431.40/9,647.10 = 2,535.30/x
  3. Step 3: Cross multiply
    6,431.40x = 9,647.10 × 2,535.30
  4. Step 4: Simplify right side
    6,431.40x = 24,458,292.63
  5. Step 5: Solve for x
    x = 24,458,292.63/6,431.40
  6. Step 6: Final answer
    x = 3,802.95

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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.