Home / 6,989.22-10,525.46-6,303.78

Finding the Fourth Proportional to 6,989.22, 10,525.46 and 6,303.78

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Solution

The fourth proportional to 6,989.22, 10,525.46 and 6,303.78 is: 9,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.22 : 10,525.46 = 6,303.78 : x
  2. Step 2: Convert to fraction form
    6,989.22/10,525.46 = 6,303.78/x
  3. Step 3: Cross multiply
    6,989.22x = 10,525.46 × 6,303.78
  4. Step 4: Simplify right side
    6,989.22x = 66,350,152.72
  5. Step 5: Solve for x
    x = 66,350,152.72/6,989.22
  6. Step 6: Final answer
    x = 9,493.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.