Home / 6,899.40-10,349.10-6,150.60

Finding the Fourth Proportional to 6,899.40, 10,349.10 and 6,150.60

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Solution

The fourth proportional to 6,899.40, 10,349.10 and 6,150.60 is: 9,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.40 : 10,349.10 = 6,150.60 : x
  2. Step 2: Convert to fraction form
    6,899.40/10,349.10 = 6,150.60/x
  3. Step 3: Cross multiply
    6,899.40x = 10,349.10 × 6,150.60
  4. Step 4: Simplify right side
    6,899.40x = 63,653,174.46
  5. Step 5: Solve for x
    x = 63,653,174.46/6,899.40
  6. Step 6: Final answer
    x = 9,225.90

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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.