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Finding the Fourth Proportional to 5,885.08, 8,828.76 and 1,989.76

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Solution

The fourth proportional to 5,885.08, 8,828.76 and 1,989.76 is: 2,985.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.08 : 8,828.76 = 1,989.76 : x
  2. Step 2: Convert to fraction form
    5,885.08/8,828.76 = 1,989.76/x
  3. Step 3: Cross multiply
    5,885.08x = 8,828.76 × 1,989.76
  4. Step 4: Simplify right side
    5,885.08x = 17,567,113.50
  5. Step 5: Solve for x
    x = 17,567,113.50/5,885.08
  6. Step 6: Final answer
    x = 2,985.03

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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.