Home / 4,674.16-7,012.39-1,387.24

Finding the Fourth Proportional to 4,674.16, 7,012.39 and 1,387.24

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Solution

The fourth proportional to 4,674.16, 7,012.39 and 1,387.24 is: 2,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.16 : 7,012.39 = 1,387.24 : x
  2. Step 2: Convert to fraction form
    4,674.16/7,012.39 = 1,387.24/x
  3. Step 3: Cross multiply
    4,674.16x = 7,012.39 × 1,387.24
  4. Step 4: Simplify right side
    4,674.16x = 9,727,888.95
  5. Step 5: Solve for x
    x = 9,727,888.95/4,674.16
  6. Step 6: Final answer
    x = 2,081.21

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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.