Home / 8,064.72-11,130.96-4,877.34

Finding the Fourth Proportional to 8,064.72, 11,130.96 and 4,877.34

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Solution

The fourth proportional to 8,064.72, 11,130.96 and 4,877.34 is: 6,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.72 : 11,130.96 = 4,877.34 : x
  2. Step 2: Convert to fraction form
    8,064.72/11,130.96 = 4,877.34/x
  3. Step 3: Cross multiply
    8,064.72x = 11,130.96 × 4,877.34
  4. Step 4: Simplify right side
    8,064.72x = 54,289,476.45
  5. Step 5: Solve for x
    x = 54,289,476.45/8,064.72
  6. Step 6: Final answer
    x = 6,731.72

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Half scale
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Double scale
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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.