Home / 5,427.90-8,141.70-1,730.35

Finding the Fourth Proportional to 5,427.90, 8,141.70 and 1,730.35

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Solution

The fourth proportional to 5,427.90, 8,141.70 and 1,730.35 is: 2,595.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.90 : 8,141.70 = 1,730.35 : x
  2. Step 2: Convert to fraction form
    5,427.90/8,141.70 = 1,730.35/x
  3. Step 3: Cross multiply
    5,427.90x = 8,141.70 × 1,730.35
  4. Step 4: Simplify right side
    5,427.90x = 14,087,990.60
  5. Step 5: Solve for x
    x = 14,087,990.60/5,427.90
  6. Step 6: Final answer
    x = 2,595.48

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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.