Home / 6,861.06-9,465.48-4,203.90

Finding the Fourth Proportional to 6,861.06, 9,465.48 and 4,203.90

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Solution

The fourth proportional to 6,861.06, 9,465.48 and 4,203.90 is: 5,799.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.06 : 9,465.48 = 4,203.90 : x
  2. Step 2: Convert to fraction form
    6,861.06/9,465.48 = 4,203.90/x
  3. Step 3: Cross multiply
    6,861.06x = 9,465.48 × 4,203.90
  4. Step 4: Simplify right side
    6,861.06x = 39,791,931.37
  5. Step 5: Solve for x
    x = 39,791,931.37/6,861.06
  6. Step 6: Final answer
    x = 5,799.68

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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.