Home / 7,897.12-11,853.12-4,004.32

Finding the Fourth Proportional to 7,897.12, 11,853.12 and 4,004.32

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Solution

The fourth proportional to 7,897.12, 11,853.12 and 4,004.32 is: 6,010.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.12 : 11,853.12 = 4,004.32 : x
  2. Step 2: Convert to fraction form
    7,897.12/11,853.12 = 4,004.32/x
  3. Step 3: Cross multiply
    7,897.12x = 11,853.12 × 4,004.32
  4. Step 4: Simplify right side
    7,897.12x = 47,463,685.48
  5. Step 5: Solve for x
    x = 47,463,685.48/7,897.12
  6. Step 6: Final answer
    x = 6,010.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.