Home / 4,430.28-6,645.54-1,143.36

Finding the Fourth Proportional to 4,430.28, 6,645.54 and 1,143.36

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Solution

The fourth proportional to 4,430.28, 6,645.54 and 1,143.36 is: 1,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.28 : 6,645.54 = 1,143.36 : x
  2. Step 2: Convert to fraction form
    4,430.28/6,645.54 = 1,143.36/x
  3. Step 3: Cross multiply
    4,430.28x = 6,645.54 × 1,143.36
  4. Step 4: Simplify right side
    4,430.28x = 7,598,244.61
  5. Step 5: Solve for x
    x = 7,598,244.61/4,430.28
  6. Step 6: Final answer
    x = 1,715.07

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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.