Home / 5,724.18-8,579.34-2,430.36

Finding the Fourth Proportional to 5,724.18, 8,579.34 and 2,430.36

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Solution

The fourth proportional to 5,724.18, 8,579.34 and 2,430.36 is: 3,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.18 : 8,579.34 = 2,430.36 : x
  2. Step 2: Convert to fraction form
    5,724.18/8,579.34 = 2,430.36/x
  3. Step 3: Cross multiply
    5,724.18x = 8,579.34 × 2,430.36
  4. Step 4: Simplify right side
    5,724.18x = 20,850,884.76
  5. Step 5: Solve for x
    x = 20,850,884.76/5,724.18
  6. Step 6: Final answer
    x = 3,642.60

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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.