Home / 5,342.20-8,010.36-1,643.40

Finding the Fourth Proportional to 5,342.20, 8,010.36 and 1,643.40

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Solution

The fourth proportional to 5,342.20, 8,010.36 and 1,643.40 is: 2,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.20 : 8,010.36 = 1,643.40 : x
  2. Step 2: Convert to fraction form
    5,342.20/8,010.36 = 1,643.40/x
  3. Step 3: Cross multiply
    5,342.20x = 8,010.36 × 1,643.40
  4. Step 4: Simplify right side
    5,342.20x = 13,164,225.62
  5. Step 5: Solve for x
    x = 13,164,225.62/5,342.20
  6. Step 6: Final answer
    x = 2,464.20

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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.