Home / 4,506.24-6,759.36-1,428

Finding the Fourth Proportional to 4,506.24, 6,759.36 and 1,428

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Solution

The fourth proportional to 4,506.24, 6,759.36 and 1,428 is: 2,142

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,506.24 : 6,759.36 = 1,428 : x
  2. Step 2: Convert to fraction form
    4,506.24/6,759.36 = 1,428/x
  3. Step 3: Cross multiply
    4,506.24x = 6,759.36 × 1,428
  4. Step 4: Simplify right side
    4,506.24x = 9,652,366.08
  5. Step 5: Solve for x
    x = 9,652,366.08/4,506.24
  6. Step 6: Final answer
    x = 2,142

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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.