Home / 6,980.73-10,471.10-4,385.49

Finding the Fourth Proportional to 6,980.73, 10,471.10 and 4,385.49

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Solution

The fourth proportional to 6,980.73, 10,471.10 and 4,385.49 is: 6,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.73 : 10,471.10 = 4,385.49 : x
  2. Step 2: Convert to fraction form
    6,980.73/10,471.10 = 4,385.49/x
  3. Step 3: Cross multiply
    6,980.73x = 10,471.10 × 4,385.49
  4. Step 4: Simplify right side
    6,980.73x = 45,920,904.34
  5. Step 5: Solve for x
    x = 45,920,904.34/6,980.73
  6. Step 6: Final answer
    x = 6,578.24

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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.