Home / 5,460.12-8,191.56-1,762.28

Finding the Fourth Proportional to 5,460.12, 8,191.56 and 1,762.28

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Solution

The fourth proportional to 5,460.12, 8,191.56 and 1,762.28 is: 2,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.12 : 8,191.56 = 1,762.28 : x
  2. Step 2: Convert to fraction form
    5,460.12/8,191.56 = 1,762.28/x
  3. Step 3: Cross multiply
    5,460.12x = 8,191.56 × 1,762.28
  4. Step 4: Simplify right side
    5,460.12x = 14,435,781.40
  5. Step 5: Solve for x
    x = 14,435,781.40/5,460.12
  6. Step 6: Final answer
    x = 2,643.86

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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.