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Finding the Fourth Proportional to 5,980.77, 8,962.06 and 2,856.47

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Solution

The fourth proportional to 5,980.77, 8,962.06 and 2,856.47 is: 4,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.77 : 8,962.06 = 2,856.47 : x
  2. Step 2: Convert to fraction form
    5,980.77/8,962.06 = 2,856.47/x
  3. Step 3: Cross multiply
    5,980.77x = 8,962.06 × 2,856.47
  4. Step 4: Simplify right side
    5,980.77x = 25,599,867.22
  5. Step 5: Solve for x
    x = 25,599,867.22/5,980.77
  6. Step 6: Final answer
    x = 4,280.36

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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.