Home / 5,513.85-8,258.90-2,587.77

Finding the Fourth Proportional to 5,513.85, 8,258.90 and 2,587.77

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Solution

The fourth proportional to 5,513.85, 8,258.90 and 2,587.77 is: 3,876.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.85 : 8,258.90 = 2,587.77 : x
  2. Step 2: Convert to fraction form
    5,513.85/8,258.90 = 2,587.77/x
  3. Step 3: Cross multiply
    5,513.85x = 8,258.90 × 2,587.77
  4. Step 4: Simplify right side
    5,513.85x = 21,372,120.71
  5. Step 5: Solve for x
    x = 21,372,120.71/5,513.85
  6. Step 6: Final answer
    x = 3,876.08

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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.