Home / 7,887.23-11,885.10-6,531.08

Finding the Fourth Proportional to 7,887.23, 11,885.10 and 6,531.08

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Solution

The fourth proportional to 7,887.23, 11,885.10 and 6,531.08 is: 9,841.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.23 : 11,885.10 = 6,531.08 : x
  2. Step 2: Convert to fraction form
    7,887.23/11,885.10 = 6,531.08/x
  3. Step 3: Cross multiply
    7,887.23x = 11,885.10 × 6,531.08
  4. Step 4: Simplify right side
    7,887.23x = 77,622,479.48
  5. Step 5: Solve for x
    x = 77,622,479.48/7,887.23
  6. Step 6: Final answer
    x = 9,841.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.