Home / 4,661.20-6,430.60-2,670.68

Finding the Fourth Proportional to 4,661.20, 6,430.60 and 2,670.68

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Solution

The fourth proportional to 4,661.20, 6,430.60 and 2,670.68 is: 3,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.20 : 6,430.60 = 2,670.68 : x
  2. Step 2: Convert to fraction form
    4,661.20/6,430.60 = 2,670.68/x
  3. Step 3: Cross multiply
    4,661.20x = 6,430.60 × 2,670.68
  4. Step 4: Simplify right side
    4,661.20x = 17,174,074.81
  5. Step 5: Solve for x
    x = 17,174,074.81/4,661.20
  6. Step 6: Final answer
    x = 3,684.47

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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.