Home / 9,316.50-12,856.80-5,125.02

Finding the Fourth Proportional to 9,316.50, 12,856.80 and 5,125.02

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Solution

The fourth proportional to 9,316.50, 12,856.80 and 5,125.02 is: 7,072.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.50 : 12,856.80 = 5,125.02 : x
  2. Step 2: Convert to fraction form
    9,316.50/12,856.80 = 5,125.02/x
  3. Step 3: Cross multiply
    9,316.50x = 12,856.80 × 5,125.02
  4. Step 4: Simplify right side
    9,316.50x = 65,891,357.14
  5. Step 5: Solve for x
    x = 65,891,357.14/9,316.50
  6. Step 6: Final answer
    x = 7,072.54

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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.