Home / 7,995.36-11,999.28-5,547.42

Finding the Fourth Proportional to 7,995.36, 11,999.28 and 5,547.42

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Solution

The fourth proportional to 7,995.36, 11,999.28 and 5,547.42 is: 8,325.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.36 : 11,999.28 = 5,547.42 : x
  2. Step 2: Convert to fraction form
    7,995.36/11,999.28 = 5,547.42/x
  3. Step 3: Cross multiply
    7,995.36x = 11,999.28 × 5,547.42
  4. Step 4: Simplify right side
    7,995.36x = 66,565,045.86
  5. Step 5: Solve for x
    x = 66,565,045.86/7,995.36
  6. Step 6: Final answer
    x = 8,325.46

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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.