Home / 8,030.69-11,081.63-4,887.89

Finding the Fourth Proportional to 8,030.69, 11,081.63 and 4,887.89

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Solution

The fourth proportional to 8,030.69, 11,081.63 and 4,887.89 is: 6,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.69 : 11,081.63 = 4,887.89 : x
  2. Step 2: Convert to fraction form
    8,030.69/11,081.63 = 4,887.89/x
  3. Step 3: Cross multiply
    8,030.69x = 11,081.63 × 4,887.89
  4. Step 4: Simplify right side
    8,030.69x = 54,165,708.61
  5. Step 5: Solve for x
    x = 54,165,708.61/8,030.69
  6. Step 6: Final answer
    x = 6,744.84

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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.