Home / 7,926.06-11,869.64-5,321.10

Finding the Fourth Proportional to 7,926.06, 11,869.64 and 5,321.10

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Solution

The fourth proportional to 7,926.06, 11,869.64 and 5,321.10 is: 7,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.06 : 11,869.64 = 5,321.10 : x
  2. Step 2: Convert to fraction form
    7,926.06/11,869.64 = 5,321.10/x
  3. Step 3: Cross multiply
    7,926.06x = 11,869.64 × 5,321.10
  4. Step 4: Simplify right side
    7,926.06x = 63,159,541.40
  5. Step 5: Solve for x
    x = 63,159,541.40/7,926.06
  6. Step 6: Final answer
    x = 7,968.59

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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.