Home / 4,902.56-7,345.96-4,405.20

Finding the Fourth Proportional to 4,902.56, 7,345.96 and 4,405.20

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Solution

The fourth proportional to 4,902.56, 7,345.96 and 4,405.20 is: 6,600.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.56 : 7,345.96 = 4,405.20 : x
  2. Step 2: Convert to fraction form
    4,902.56/7,345.96 = 4,405.20/x
  3. Step 3: Cross multiply
    4,902.56x = 7,345.96 × 4,405.20
  4. Step 4: Simplify right side
    4,902.56x = 32,360,422.99
  5. Step 5: Solve for x
    x = 32,360,422.99/4,902.56
  6. Step 6: Final answer
    x = 6,600.72

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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.