Home / 6,990.21-10,483.93-3,291.45

Finding the Fourth Proportional to 6,990.21, 10,483.93 and 3,291.45

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Solution

The fourth proportional to 6,990.21, 10,483.93 and 3,291.45 is: 4,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.21 : 10,483.93 = 3,291.45 : x
  2. Step 2: Convert to fraction form
    6,990.21/10,483.93 = 3,291.45/x
  3. Step 3: Cross multiply
    6,990.21x = 10,483.93 × 3,291.45
  4. Step 4: Simplify right side
    6,990.21x = 34,507,331.40
  5. Step 5: Solve for x
    x = 34,507,331.40/6,990.21
  6. Step 6: Final answer
    x = 4,936.52

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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.