Home / 7,875.16-11,806.80-4,754.43

Finding the Fourth Proportional to 7,875.16, 11,806.80 and 4,754.43

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Solution

The fourth proportional to 7,875.16, 11,806.80 and 4,754.43 is: 7,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.16 : 11,806.80 = 4,754.43 : x
  2. Step 2: Convert to fraction form
    7,875.16/11,806.80 = 4,754.43/x
  3. Step 3: Cross multiply
    7,875.16x = 11,806.80 × 4,754.43
  4. Step 4: Simplify right side
    7,875.16x = 56,134,551.03
  5. Step 5: Solve for x
    x = 56,134,551.03/7,875.16
  6. Step 6: Final answer
    x = 7,128.05

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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.