Home / 6,157.60-9,216.30-4,688.64

Finding the Fourth Proportional to 6,157.60, 9,216.30 and 4,688.64

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Solution

The fourth proportional to 6,157.60, 9,216.30 and 4,688.64 is: 7,017.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,157.60 : 9,216.30 = 4,688.64 : x
  2. Step 2: Convert to fraction form
    6,157.60/9,216.30 = 4,688.64/x
  3. Step 3: Cross multiply
    6,157.60x = 9,216.30 × 4,688.64
  4. Step 4: Simplify right side
    6,157.60x = 43,211,912.83
  5. Step 5: Solve for x
    x = 43,211,912.83/6,157.60
  6. Step 6: Final answer
    x = 7,017.66

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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.