Home / 5,513.68-8,270.52-1,618.10

Finding the Fourth Proportional to 5,513.68, 8,270.52 and 1,618.10

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Solution

The fourth proportional to 5,513.68, 8,270.52 and 1,618.10 is: 2,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.68 : 8,270.52 = 1,618.10 : x
  2. Step 2: Convert to fraction form
    5,513.68/8,270.52 = 1,618.10/x
  3. Step 3: Cross multiply
    5,513.68x = 8,270.52 × 1,618.10
  4. Step 4: Simplify right side
    5,513.68x = 13,382,528.41
  5. Step 5: Solve for x
    x = 13,382,528.41/5,513.68
  6. Step 6: Final answer
    x = 2,427.15

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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.