Home / 5,417.49-8,106.02-3,861.09

Finding the Fourth Proportional to 5,417.49, 8,106.02 and 3,861.09

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Solution

The fourth proportional to 5,417.49, 8,106.02 and 3,861.09 is: 5,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.49 : 8,106.02 = 3,861.09 : x
  2. Step 2: Convert to fraction form
    5,417.49/8,106.02 = 3,861.09/x
  3. Step 3: Cross multiply
    5,417.49x = 8,106.02 × 3,861.09
  4. Step 4: Simplify right side
    5,417.49x = 31,298,053.46
  5. Step 5: Solve for x
    x = 31,298,053.46/5,417.49
  6. Step 6: Final answer
    x = 5,777.22

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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.