Home / 6,747.60-10,121.40-6,492.45

Finding the Fourth Proportional to 6,747.60, 10,121.40 and 6,492.45

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Solution

The fourth proportional to 6,747.60, 10,121.40 and 6,492.45 is: 9,738.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.60 : 10,121.40 = 6,492.45 : x
  2. Step 2: Convert to fraction form
    6,747.60/10,121.40 = 6,492.45/x
  3. Step 3: Cross multiply
    6,747.60x = 10,121.40 × 6,492.45
  4. Step 4: Simplify right side
    6,747.60x = 65,712,683.43
  5. Step 5: Solve for x
    x = 65,712,683.43/6,747.60
  6. Step 6: Final answer
    x = 9,738.68

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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.