Home / 4,291.48-6,433.56-4,087.36

Finding the Fourth Proportional to 4,291.48, 6,433.56 and 4,087.36

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Solution

The fourth proportional to 4,291.48, 6,433.56 and 4,087.36 is: 6,127.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.48 : 6,433.56 = 4,087.36 : x
  2. Step 2: Convert to fraction form
    4,291.48/6,433.56 = 4,087.36/x
  3. Step 3: Cross multiply
    4,291.48x = 6,433.56 × 4,087.36
  4. Step 4: Simplify right side
    4,291.48x = 26,296,275.80
  5. Step 5: Solve for x
    x = 26,296,275.80/4,291.48
  6. Step 6: Final answer
    x = 6,127.55

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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.