Home / 7,889.22-10,887.45-4,531.98

Finding the Fourth Proportional to 7,889.22, 10,887.45 and 4,531.98

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Solution

The fourth proportional to 7,889.22, 10,887.45 and 4,531.98 is: 6,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.22 : 10,887.45 = 4,531.98 : x
  2. Step 2: Convert to fraction form
    7,889.22/10,887.45 = 4,531.98/x
  3. Step 3: Cross multiply
    7,889.22x = 10,887.45 × 4,531.98
  4. Step 4: Simplify right side
    7,889.22x = 49,341,705.65
  5. Step 5: Solve for x
    x = 49,341,705.65/7,889.22
  6. Step 6: Final answer
    x = 6,254.32

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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.