Home / 6,287.05-9,430.40-2,127.02

Finding the Fourth Proportional to 6,287.05, 9,430.40 and 2,127.02

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Solution

The fourth proportional to 6,287.05, 9,430.40 and 2,127.02 is: 3,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.05 : 9,430.40 = 2,127.02 : x
  2. Step 2: Convert to fraction form
    6,287.05/9,430.40 = 2,127.02/x
  3. Step 3: Cross multiply
    6,287.05x = 9,430.40 × 2,127.02
  4. Step 4: Simplify right side
    6,287.05x = 20,058,649.41
  5. Step 5: Solve for x
    x = 20,058,649.41/6,287.05
  6. Step 6: Final answer
    x = 3,190.47

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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.