Home / 6,900.40-10,293.20-6,236.08

Finding the Fourth Proportional to 6,900.40, 10,293.20 and 6,236.08

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Solution

The fourth proportional to 6,900.40, 10,293.20 and 6,236.08 is: 9,302.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.40 : 10,293.20 = 6,236.08 : x
  2. Step 2: Convert to fraction form
    6,900.40/10,293.20 = 6,236.08/x
  3. Step 3: Cross multiply
    6,900.40x = 10,293.20 × 6,236.08
  4. Step 4: Simplify right side
    6,900.40x = 64,189,218.66
  5. Step 5: Solve for x
    x = 64,189,218.66/6,900.40
  6. Step 6: Final answer
    x = 9,302.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.