Home / 4,280.56-6,430.52-2,550.32

Finding the Fourth Proportional to 4,280.56, 6,430.52 and 2,550.32

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Solution

The fourth proportional to 4,280.56, 6,430.52 and 2,550.32 is: 3,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.56 : 6,430.52 = 2,550.32 : x
  2. Step 2: Convert to fraction form
    4,280.56/6,430.52 = 2,550.32/x
  3. Step 3: Cross multiply
    4,280.56x = 6,430.52 × 2,550.32
  4. Step 4: Simplify right side
    4,280.56x = 16,399,883.77
  5. Step 5: Solve for x
    x = 16,399,883.77/4,280.56
  6. Step 6: Final answer
    x = 3,831.25

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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.