Home / 9,135.79-13,702.53-2,896.45

Finding the Fourth Proportional to 9,135.79, 13,702.53 and 2,896.45

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Solution

The fourth proportional to 9,135.79, 13,702.53 and 2,896.45 is: 4,344.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.79 : 13,702.53 = 2,896.45 : x
  2. Step 2: Convert to fraction form
    9,135.79/13,702.53 = 2,896.45/x
  3. Step 3: Cross multiply
    9,135.79x = 13,702.53 × 2,896.45
  4. Step 4: Simplify right side
    9,135.79x = 39,688,693.02
  5. Step 5: Solve for x
    x = 39,688,693.02/9,135.79
  6. Step 6: Final answer
    x = 4,344.31

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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.