Home / 7,013.36-10,513.53-3,680.91

Finding the Fourth Proportional to 7,013.36, 10,513.53 and 3,680.91

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Solution

The fourth proportional to 7,013.36, 10,513.53 and 3,680.91 is: 5,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.36 : 10,513.53 = 3,680.91 : x
  2. Step 2: Convert to fraction form
    7,013.36/10,513.53 = 3,680.91/x
  3. Step 3: Cross multiply
    7,013.36x = 10,513.53 × 3,680.91
  4. Step 4: Simplify right side
    7,013.36x = 38,699,357.71
  5. Step 5: Solve for x
    x = 38,699,357.71/7,013.36
  6. Step 6: Final answer
    x = 5,517.95

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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.