Home / 4,659.85-6,430.58-2,670.31

Finding the Fourth Proportional to 4,659.85, 6,430.58 and 2,670.31

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Solution

The fourth proportional to 4,659.85, 6,430.58 and 2,670.31 is: 3,685.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.85 : 6,430.58 = 2,670.31 : x
  2. Step 2: Convert to fraction form
    4,659.85/6,430.58 = 2,670.31/x
  3. Step 3: Cross multiply
    4,659.85x = 6,430.58 × 2,670.31
  4. Step 4: Simplify right side
    4,659.85x = 17,171,616.60
  5. Step 5: Solve for x
    x = 17,171,616.60/4,659.85
  6. Step 6: Final answer
    x = 3,685.02

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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.