Home / 5,690.50-8,535.30-1,992.34

Finding the Fourth Proportional to 5,690.50, 8,535.30 and 1,992.34

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Solution

The fourth proportional to 5,690.50, 8,535.30 and 1,992.34 is: 2,988.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.50 : 8,535.30 = 1,992.34 : x
  2. Step 2: Convert to fraction form
    5,690.50/8,535.30 = 1,992.34/x
  3. Step 3: Cross multiply
    5,690.50x = 8,535.30 × 1,992.34
  4. Step 4: Simplify right side
    5,690.50x = 17,005,219.60
  5. Step 5: Solve for x
    x = 17,005,219.60/5,690.50
  6. Step 6: Final answer
    x = 2,988.35

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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.