Home / 9,050.48-12,489.84-5,072

Finding the Fourth Proportional to 9,050.48, 12,489.84 and 5,072

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Solution

The fourth proportional to 9,050.48, 12,489.84 and 5,072 is: 6,999.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.48 : 12,489.84 = 5,072 : x
  2. Step 2: Convert to fraction form
    9,050.48/12,489.84 = 5,072/x
  3. Step 3: Cross multiply
    9,050.48x = 12,489.84 × 5,072
  4. Step 4: Simplify right side
    9,050.48x = 63,348,468.48
  5. Step 5: Solve for x
    x = 63,348,468.48/9,050.48
  6. Step 6: Final answer
    x = 6,999.46

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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.