Home / 4,482.81-6,191.46-2,988.12

Finding the Fourth Proportional to 4,482.81, 6,191.46 and 2,988.12

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Solution

The fourth proportional to 4,482.81, 6,191.46 and 2,988.12 is: 4,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,482.81 : 6,191.46 = 2,988.12 : x
  2. Step 2: Convert to fraction form
    4,482.81/6,191.46 = 2,988.12/x
  3. Step 3: Cross multiply
    4,482.81x = 6,191.46 × 2,988.12
  4. Step 4: Simplify right side
    4,482.81x = 18,500,825.46
  5. Step 5: Solve for x
    x = 18,500,825.46/4,482.81
  6. Step 6: Final answer
    x = 4,127.06

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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.