Home / 4,270.83-6,405.76-1,151.07

Finding the Fourth Proportional to 4,270.83, 6,405.76 and 1,151.07

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Solution

The fourth proportional to 4,270.83, 6,405.76 and 1,151.07 is: 1,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.83 : 6,405.76 = 1,151.07 : x
  2. Step 2: Convert to fraction form
    4,270.83/6,405.76 = 1,151.07/x
  3. Step 3: Cross multiply
    4,270.83x = 6,405.76 × 1,151.07
  4. Step 4: Simplify right side
    4,270.83x = 7,373,478.16
  5. Step 5: Solve for x
    x = 7,373,478.16/4,270.83
  6. Step 6: Final answer
    x = 1,726.47

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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.