Home / 5,890.08-8,829.57-1,991.76

Finding the Fourth Proportional to 5,890.08, 8,829.57 and 1,991.76

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Solution

The fourth proportional to 5,890.08, 8,829.57 and 1,991.76 is: 2,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.08 : 8,829.57 = 1,991.76 : x
  2. Step 2: Convert to fraction form
    5,890.08/8,829.57 = 1,991.76/x
  3. Step 3: Cross multiply
    5,890.08x = 8,829.57 × 1,991.76
  4. Step 4: Simplify right side
    5,890.08x = 17,586,384.34
  5. Step 5: Solve for x
    x = 17,586,384.34/5,890.08
  6. Step 6: Final answer
    x = 2,985.76

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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.