Home / 6,090.90-9,117.15-4,785.30

Finding the Fourth Proportional to 6,090.90, 9,117.15 and 4,785.30

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Solution

The fourth proportional to 6,090.90, 9,117.15 and 4,785.30 is: 7,162.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.90 : 9,117.15 = 4,785.30 : x
  2. Step 2: Convert to fraction form
    6,090.90/9,117.15 = 4,785.30/x
  3. Step 3: Cross multiply
    6,090.90x = 9,117.15 × 4,785.30
  4. Step 4: Simplify right side
    6,090.90x = 43,628,297.90
  5. Step 5: Solve for x
    x = 43,628,297.90/6,090.90
  6. Step 6: Final answer
    x = 7,162.87

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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.