Home / 7,341.90-11,000.70-6,102.60

Finding the Fourth Proportional to 7,341.90, 11,000.70 and 6,102.60

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Solution

The fourth proportional to 7,341.90, 11,000.70 and 6,102.60 is: 9,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.90 : 11,000.70 = 6,102.60 : x
  2. Step 2: Convert to fraction form
    7,341.90/11,000.70 = 6,102.60/x
  3. Step 3: Cross multiply
    7,341.90x = 11,000.70 × 6,102.60
  4. Step 4: Simplify right side
    7,341.90x = 67,132,871.82
  5. Step 5: Solve for x
    x = 67,132,871.82/7,341.90
  6. Step 6: Final answer
    x = 9,143.80

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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.