Home / 7,102.49-9,800.26-4,117.10

Finding the Fourth Proportional to 7,102.49, 9,800.26 and 4,117.10

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Solution

The fourth proportional to 7,102.49, 9,800.26 and 4,117.10 is: 5,680.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102.49 : 9,800.26 = 4,117.10 : x
  2. Step 2: Convert to fraction form
    7,102.49/9,800.26 = 4,117.10/x
  3. Step 3: Cross multiply
    7,102.49x = 9,800.26 × 4,117.10
  4. Step 4: Simplify right side
    7,102.49x = 40,348,591.15
  5. Step 5: Solve for x
    x = 40,348,591.15/7,102.49
  6. Step 6: Final answer
    x = 5,680.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.