Home / 6,989.41-10,488.97-4,518.10

Finding the Fourth Proportional to 6,989.41, 10,488.97 and 4,518.10

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Solution

The fourth proportional to 6,989.41, 10,488.97 and 4,518.10 is: 6,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.41 : 10,488.97 = 4,518.10 : x
  2. Step 2: Convert to fraction form
    6,989.41/10,488.97 = 4,518.10/x
  3. Step 3: Cross multiply
    6,989.41x = 10,488.97 × 4,518.10
  4. Step 4: Simplify right side
    6,989.41x = 47,390,177.84
  5. Step 5: Solve for x
    x = 47,390,177.84/6,989.41
  6. Step 6: Final answer
    x = 6,780.29

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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.