Home / 7,889.30-10,887.23-4,352.51

Finding the Fourth Proportional to 7,889.30, 10,887.23 and 4,352.51

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Solution

The fourth proportional to 7,889.30, 10,887.23 and 4,352.51 is: 6,006.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.30 : 10,887.23 = 4,352.51 : x
  2. Step 2: Convert to fraction form
    7,889.30/10,887.23 = 4,352.51/x
  3. Step 3: Cross multiply
    7,889.30x = 10,887.23 × 4,352.51
  4. Step 4: Simplify right side
    7,889.30x = 47,386,755.68
  5. Step 5: Solve for x
    x = 47,386,755.68/7,889.30
  6. Step 6: Final answer
    x = 6,006.46

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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.