Home / 4,693.60-6,477.48-3,120.64

Finding the Fourth Proportional to 4,693.60, 6,477.48 and 3,120.64

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Solution

The fourth proportional to 4,693.60, 6,477.48 and 3,120.64 is: 4,306.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,693.60 : 6,477.48 = 3,120.64 : x
  2. Step 2: Convert to fraction form
    4,693.60/6,477.48 = 3,120.64/x
  3. Step 3: Cross multiply
    4,693.60x = 6,477.48 × 3,120.64
  4. Step 4: Simplify right side
    4,693.60x = 20,213,883.19
  5. Step 5: Solve for x
    x = 20,213,883.19/4,693.60
  6. Step 6: Final answer
    x = 4,306.69

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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.