Home / 6,580.85-9,856.37-4,615.20

Finding the Fourth Proportional to 6,580.85, 9,856.37 and 4,615.20

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Solution

The fourth proportional to 6,580.85, 9,856.37 and 4,615.20 is: 6,912.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580.85 : 9,856.37 = 4,615.20 : x
  2. Step 2: Convert to fraction form
    6,580.85/9,856.37 = 4,615.20/x
  3. Step 3: Cross multiply
    6,580.85x = 9,856.37 × 4,615.20
  4. Step 4: Simplify right side
    6,580.85x = 45,489,130.36
  5. Step 5: Solve for x
    x = 45,489,130.36/6,580.85
  6. Step 6: Final answer
    x = 6,912.35

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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.