Home / 7,839.27-10,818.37-4,482.40

Finding the Fourth Proportional to 7,839.27, 10,818.37 and 4,482.40

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Solution

The fourth proportional to 7,839.27, 10,818.37 and 4,482.40 is: 6,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.27 : 10,818.37 = 4,482.40 : x
  2. Step 2: Convert to fraction form
    7,839.27/10,818.37 = 4,482.40/x
  3. Step 3: Cross multiply
    7,839.27x = 10,818.37 × 4,482.40
  4. Step 4: Simplify right side
    7,839.27x = 48,492,223.44
  5. Step 5: Solve for x
    x = 48,492,223.44/7,839.27
  6. Step 6: Final answer
    x = 6,185.81

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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.