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Finding the Fourth Proportional to 6,018.60, 8,313.93 and 5,459.70

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Solution

The fourth proportional to 6,018.60, 8,313.93 and 5,459.70 is: 7,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,018.60 : 8,313.93 = 5,459.70 : x
  2. Step 2: Convert to fraction form
    6,018.60/8,313.93 = 5,459.70/x
  3. Step 3: Cross multiply
    6,018.60x = 8,313.93 × 5,459.70
  4. Step 4: Simplify right side
    6,018.60x = 45,391,563.62
  5. Step 5: Solve for x
    x = 45,391,563.62/6,018.60
  6. Step 6: Final answer
    x = 7,541.88

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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.