Home / 4,989.72-6,881.70-3,573.66

Finding the Fourth Proportional to 4,989.72, 6,881.70 and 3,573.66

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Solution

The fourth proportional to 4,989.72, 6,881.70 and 3,573.66 is: 4,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.72 : 6,881.70 = 3,573.66 : x
  2. Step 2: Convert to fraction form
    4,989.72/6,881.70 = 3,573.66/x
  3. Step 3: Cross multiply
    4,989.72x = 6,881.70 × 3,573.66
  4. Step 4: Simplify right side
    4,989.72x = 24,592,856.02
  5. Step 5: Solve for x
    x = 24,592,856.02/4,989.72
  6. Step 6: Final answer
    x = 4,928.70

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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.