Home / 8,030.08-11,081.40-4,887.28

Finding the Fourth Proportional to 8,030.08, 11,081.40 and 4,887.28

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Solution

The fourth proportional to 8,030.08, 11,081.40 and 4,887.28 is: 6,744.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.08 : 11,081.40 = 4,887.28 : x
  2. Step 2: Convert to fraction form
    8,030.08/11,081.40 = 4,887.28/x
  3. Step 3: Cross multiply
    8,030.08x = 11,081.40 × 4,887.28
  4. Step 4: Simplify right side
    8,030.08x = 54,157,904.59
  5. Step 5: Solve for x
    x = 54,157,904.59/8,030.08
  6. Step 6: Final answer
    x = 6,744.38

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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.