Home / 7,013.09-10,520.75-2,630.88

Finding the Fourth Proportional to 7,013.09, 10,520.75 and 2,630.88

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Solution

The fourth proportional to 7,013.09, 10,520.75 and 2,630.88 is: 3,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.09 : 10,520.75 = 2,630.88 : x
  2. Step 2: Convert to fraction form
    7,013.09/10,520.75 = 2,630.88/x
  3. Step 3: Cross multiply
    7,013.09x = 10,520.75 × 2,630.88
  4. Step 4: Simplify right side
    7,013.09x = 27,678,837.34
  5. Step 5: Solve for x
    x = 27,678,837.34/7,013.09
  6. Step 6: Final answer
    x = 3,946.74

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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.