Home / 7,881.34-10,876.20-4,344.56

Finding the Fourth Proportional to 7,881.34, 10,876.20 and 4,344.56

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Solution

The fourth proportional to 7,881.34, 10,876.20 and 4,344.56 is: 5,995.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.34 : 10,876.20 = 4,344.56 : x
  2. Step 2: Convert to fraction form
    7,881.34/10,876.20 = 4,344.56/x
  3. Step 3: Cross multiply
    7,881.34x = 10,876.20 × 4,344.56
  4. Step 4: Simplify right side
    7,881.34x = 47,252,303.47
  5. Step 5: Solve for x
    x = 47,252,303.47/7,881.34
  6. Step 6: Final answer
    x = 5,995.47

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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.