Home / 4,430.25-6,113.75-2,440.81

Finding the Fourth Proportional to 4,430.25, 6,113.75 and 2,440.81

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Solution

The fourth proportional to 4,430.25, 6,113.75 and 2,440.81 is: 3,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.25 : 6,113.75 = 2,440.81 : x
  2. Step 2: Convert to fraction form
    4,430.25/6,113.75 = 2,440.81/x
  3. Step 3: Cross multiply
    4,430.25x = 6,113.75 × 2,440.81
  4. Step 4: Simplify right side
    4,430.25x = 14,922,474.65
  5. Step 5: Solve for x
    x = 14,922,474.65/4,430.25
  6. Step 6: Final answer
    x = 3,368.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.