Home / 4,430.28-6,112.53-2,859.30

Finding the Fourth Proportional to 4,430.28, 6,112.53 and 2,859.30

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Solution

The fourth proportional to 4,430.28, 6,112.53 and 2,859.30 is: 3,945.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.28 : 6,112.53 = 2,859.30 : x
  2. Step 2: Convert to fraction form
    4,430.28/6,112.53 = 2,859.30/x
  3. Step 3: Cross multiply
    4,430.28x = 6,112.53 × 2,859.30
  4. Step 4: Simplify right side
    4,430.28x = 17,477,557.03
  5. Step 5: Solve for x
    x = 17,477,557.03/4,430.28
  6. Step 6: Final answer
    x = 3,945.02

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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.