Home / 6,902.28-10,303.35-6,388.32

Finding the Fourth Proportional to 6,902.28, 10,303.35 and 6,388.32

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Solution

The fourth proportional to 6,902.28, 10,303.35 and 6,388.32 is: 9,536.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,902.28 : 10,303.35 = 6,388.32 : x
  2. Step 2: Convert to fraction form
    6,902.28/10,303.35 = 6,388.32/x
  3. Step 3: Cross multiply
    6,902.28x = 10,303.35 × 6,388.32
  4. Step 4: Simplify right side
    6,902.28x = 65,821,096.87
  5. Step 5: Solve for x
    x = 65,821,096.87/6,902.28
  6. Step 6: Final answer
    x = 9,536.14

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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.