Home / 4,911.56-7,345.14-3,152.20

Finding the Fourth Proportional to 4,911.56, 7,345.14 and 3,152.20

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Solution

The fourth proportional to 4,911.56, 7,345.14 and 3,152.20 is: 4,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.56 : 7,345.14 = 3,152.20 : x
  2. Step 2: Convert to fraction form
    4,911.56/7,345.14 = 3,152.20/x
  3. Step 3: Cross multiply
    4,911.56x = 7,345.14 × 3,152.20
  4. Step 4: Simplify right side
    4,911.56x = 23,153,350.31
  5. Step 5: Solve for x
    x = 23,153,350.31/4,911.56
  6. Step 6: Final answer
    x = 4,714.05

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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.