Home / 4,710.80-7,065.66-2,112.32

Finding the Fourth Proportional to 4,710.80, 7,065.66 and 2,112.32

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Solution

The fourth proportional to 4,710.80, 7,065.66 and 2,112.32 is: 3,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.80 : 7,065.66 = 2,112.32 : x
  2. Step 2: Convert to fraction form
    4,710.80/7,065.66 = 2,112.32/x
  3. Step 3: Cross multiply
    4,710.80x = 7,065.66 × 2,112.32
  4. Step 4: Simplify right side
    4,710.80x = 14,924,934.93
  5. Step 5: Solve for x
    x = 14,924,934.93/4,710.80
  6. Step 6: Final answer
    x = 3,168.24

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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.