Home / 7,072.24-9,763.35-4,985.68

Finding the Fourth Proportional to 7,072.24, 9,763.35 and 4,985.68

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Solution

The fourth proportional to 7,072.24, 9,763.35 and 4,985.68 is: 6,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.24 : 9,763.35 = 4,985.68 : x
  2. Step 2: Convert to fraction form
    7,072.24/9,763.35 = 4,985.68/x
  3. Step 3: Cross multiply
    7,072.24x = 9,763.35 × 4,985.68
  4. Step 4: Simplify right side
    7,072.24x = 48,676,938.83
  5. Step 5: Solve for x
    x = 48,676,938.83/7,072.24
  6. Step 6: Final answer
    x = 6,882.82

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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.