Home / 4,839.63-6,678.35-2,715.05

Finding the Fourth Proportional to 4,839.63, 6,678.35 and 2,715.05

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Solution

The fourth proportional to 4,839.63, 6,678.35 and 2,715.05 is: 3,746.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.63 : 6,678.35 = 2,715.05 : x
  2. Step 2: Convert to fraction form
    4,839.63/6,678.35 = 2,715.05/x
  3. Step 3: Cross multiply
    4,839.63x = 6,678.35 × 2,715.05
  4. Step 4: Simplify right side
    4,839.63x = 18,132,007.20
  5. Step 5: Solve for x
    x = 18,132,007.20/4,839.63
  6. Step 6: Final answer
    x = 3,746.57

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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.