Home / 4,351.28-6,527.72-1,430.40

Finding the Fourth Proportional to 4,351.28, 6,527.72 and 1,430.40

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Solution

The fourth proportional to 4,351.28, 6,527.72 and 1,430.40 is: 2,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,351.28 : 6,527.72 = 1,430.40 : x
  2. Step 2: Convert to fraction form
    4,351.28/6,527.72 = 1,430.40/x
  3. Step 3: Cross multiply
    4,351.28x = 6,527.72 × 1,430.40
  4. Step 4: Simplify right side
    4,351.28x = 9,337,250.69
  5. Step 5: Solve for x
    x = 9,337,250.69/4,351.28
  6. Step 6: Final answer
    x = 2,145.86

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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.