Home / 5,386.33-8,078.97-1,875.49

Finding the Fourth Proportional to 5,386.33, 8,078.97 and 1,875.49

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Solution

The fourth proportional to 5,386.33, 8,078.97 and 1,875.49 is: 2,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.33 : 8,078.97 = 1,875.49 : x
  2. Step 2: Convert to fraction form
    5,386.33/8,078.97 = 1,875.49/x
  3. Step 3: Cross multiply
    5,386.33x = 8,078.97 × 1,875.49
  4. Step 4: Simplify right side
    5,386.33x = 15,152,027.45
  5. Step 5: Solve for x
    x = 15,152,027.45/5,386.33
  6. Step 6: Final answer
    x = 2,813.05

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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.