Home / 7,890.02-10,884.93-5,238.86

Finding the Fourth Proportional to 7,890.02, 10,884.93 and 5,238.86

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Solution

The fourth proportional to 7,890.02, 10,884.93 and 5,238.86 is: 7,227.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.02 : 10,884.93 = 5,238.86 : x
  2. Step 2: Convert to fraction form
    7,890.02/10,884.93 = 5,238.86/x
  3. Step 3: Cross multiply
    7,890.02x = 10,884.93 × 5,238.86
  4. Step 4: Simplify right side
    7,890.02x = 57,024,624.38
  5. Step 5: Solve for x
    x = 57,024,624.38/7,890.02
  6. Step 6: Final answer
    x = 7,227.44

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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.