Home / 7,975.12-11,000.48-5,146.08

Finding the Fourth Proportional to 7,975.12, 11,000.48 and 5,146.08

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Solution

The fourth proportional to 7,975.12, 11,000.48 and 5,146.08 is: 7,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.12 : 11,000.48 = 5,146.08 : x
  2. Step 2: Convert to fraction form
    7,975.12/11,000.48 = 5,146.08/x
  3. Step 3: Cross multiply
    7,975.12x = 11,000.48 × 5,146.08
  4. Step 4: Simplify right side
    7,975.12x = 56,609,350.12
  5. Step 5: Solve for x
    x = 56,609,350.12/7,975.12
  6. Step 6: Final answer
    x = 7,098.24

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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.