Home / 7,289.11-10,059.02-4,145.23

Finding the Fourth Proportional to 7,289.11, 10,059.02 and 4,145.23

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Solution

The fourth proportional to 7,289.11, 10,059.02 and 4,145.23 is: 5,720.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.11 : 10,059.02 = 4,145.23 : x
  2. Step 2: Convert to fraction form
    7,289.11/10,059.02 = 4,145.23/x
  3. Step 3: Cross multiply
    7,289.11x = 10,059.02 × 4,145.23
  4. Step 4: Simplify right side
    7,289.11x = 41,696,951.47
  5. Step 5: Solve for x
    x = 41,696,951.47/7,289.11
  6. Step 6: Final answer
    x = 5,720.44

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Half scale
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Double scale
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Similar ratio
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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.