Home / 4,351.81-6,528.83-1,430.14

Finding the Fourth Proportional to 4,351.81, 6,528.83 and 1,430.14

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Solution

The fourth proportional to 4,351.81, 6,528.83 and 1,430.14 is: 2,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,351.81 : 6,528.83 = 1,430.14 : x
  2. Step 2: Convert to fraction form
    4,351.81/6,528.83 = 1,430.14/x
  3. Step 3: Cross multiply
    4,351.81x = 6,528.83 × 1,430.14
  4. Step 4: Simplify right side
    4,351.81x = 9,337,140.94
  5. Step 5: Solve for x
    x = 9,337,140.94/4,351.81
  6. Step 6: Final answer
    x = 2,145.58

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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.