Home / 6,579.79-9,086.50-5,630.02

Finding the Fourth Proportional to 6,579.79, 9,086.50 and 5,630.02

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Solution

The fourth proportional to 6,579.79, 9,086.50 and 5,630.02 is: 7,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.79 : 9,086.50 = 5,630.02 : x
  2. Step 2: Convert to fraction form
    6,579.79/9,086.50 = 5,630.02/x
  3. Step 3: Cross multiply
    6,579.79x = 9,086.50 × 5,630.02
  4. Step 4: Simplify right side
    6,579.79x = 51,157,176.73
  5. Step 5: Solve for x
    x = 51,157,176.73/6,579.79
  6. Step 6: Final answer
    x = 7,774.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.