Home / 5,913.25-8,156.67-3,521.63

Finding the Fourth Proportional to 5,913.25, 8,156.67 and 3,521.63

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Solution

The fourth proportional to 5,913.25, 8,156.67 and 3,521.63 is: 4,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.25 : 8,156.67 = 3,521.63 : x
  2. Step 2: Convert to fraction form
    5,913.25/8,156.67 = 3,521.63/x
  3. Step 3: Cross multiply
    5,913.25x = 8,156.67 × 3,521.63
  4. Step 4: Simplify right side
    5,913.25x = 28,724,773.77
  5. Step 5: Solve for x
    x = 28,724,773.77/5,913.25
  6. Step 6: Final answer
    x = 4,857.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.