Home / 6,501.40-9,753.90-3,214.60

Finding the Fourth Proportional to 6,501.40, 9,753.90 and 3,214.60

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Solution

The fourth proportional to 6,501.40, 9,753.90 and 3,214.60 is: 4,822.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501.40 : 9,753.90 = 3,214.60 : x
  2. Step 2: Convert to fraction form
    6,501.40/9,753.90 = 3,214.60/x
  3. Step 3: Cross multiply
    6,501.40x = 9,753.90 × 3,214.60
  4. Step 4: Simplify right side
    6,501.40x = 31,354,886.94
  5. Step 5: Solve for x
    x = 31,354,886.94/6,501.40
  6. Step 6: Final answer
    x = 4,822.79

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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.