Home / 6,060.47-9,090.71-1,900.80

Finding the Fourth Proportional to 6,060.47, 9,090.71 and 1,900.80

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Solution

The fourth proportional to 6,060.47, 9,090.71 and 1,900.80 is: 2,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,060.47 : 9,090.71 = 1,900.80 : x
  2. Step 2: Convert to fraction form
    6,060.47/9,090.71 = 1,900.80/x
  3. Step 3: Cross multiply
    6,060.47x = 9,090.71 × 1,900.80
  4. Step 4: Simplify right side
    6,060.47x = 17,279,612.06
  5. Step 5: Solve for x
    x = 17,279,612.06/6,060.47
  6. Step 6: Final answer
    x = 2,851.20

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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.