Home / 4,988.14-7,482.20-1,869.61

Finding the Fourth Proportional to 4,988.14, 7,482.20 and 1,869.61

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Solution

The fourth proportional to 4,988.14, 7,482.20 and 1,869.61 is: 2,804.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.14 : 7,482.20 = 1,869.61 : x
  2. Step 2: Convert to fraction form
    4,988.14/7,482.20 = 1,869.61/x
  3. Step 3: Cross multiply
    4,988.14x = 7,482.20 × 1,869.61
  4. Step 4: Simplify right side
    4,988.14x = 13,988,809.97
  5. Step 5: Solve for x
    x = 13,988,809.97/4,988.14
  6. Step 6: Final answer
    x = 2,804.42

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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.