Home / 7,881.07-10,875.83-4,344.31

Finding the Fourth Proportional to 7,881.07, 10,875.83 and 4,344.31

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Solution

The fourth proportional to 7,881.07, 10,875.83 and 4,344.31 is: 5,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.07 : 10,875.83 = 4,344.31 : x
  2. Step 2: Convert to fraction form
    7,881.07/10,875.83 = 4,344.31/x
  3. Step 3: Cross multiply
    7,881.07x = 10,875.83 × 4,344.31
  4. Step 4: Simplify right side
    7,881.07x = 47,247,977.03
  5. Step 5: Solve for x
    x = 47,247,977.03/7,881.07
  6. Step 6: Final answer
    x = 5,995.12

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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.