Home / 5,293.20-7,940.10-1,782.90

Finding the Fourth Proportional to 5,293.20, 7,940.10 and 1,782.90

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Solution

The fourth proportional to 5,293.20, 7,940.10 and 1,782.90 is: 2,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293.20 : 7,940.10 = 1,782.90 : x
  2. Step 2: Convert to fraction form
    5,293.20/7,940.10 = 1,782.90/x
  3. Step 3: Cross multiply
    5,293.20x = 7,940.10 × 1,782.90
  4. Step 4: Simplify right side
    5,293.20x = 14,156,404.29
  5. Step 5: Solve for x
    x = 14,156,404.29/5,293.20
  6. Step 6: Final answer
    x = 2,674.45

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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.