Home / 5,801.61-8,702.36-2,102.45

Finding the Fourth Proportional to 5,801.61, 8,702.36 and 2,102.45

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Solution

The fourth proportional to 5,801.61, 8,702.36 and 2,102.45 is: 3,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801.61 : 8,702.36 = 2,102.45 : x
  2. Step 2: Convert to fraction form
    5,801.61/8,702.36 = 2,102.45/x
  3. Step 3: Cross multiply
    5,801.61x = 8,702.36 × 2,102.45
  4. Step 4: Simplify right side
    5,801.61x = 18,296,222.76
  5. Step 5: Solve for x
    x = 18,296,222.76/5,801.61
  6. Step 6: Final answer
    x = 3,153.65

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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.