Home / 7,615.92-10,511.34-4,472.28

Finding the Fourth Proportional to 7,615.92, 10,511.34 and 4,472.28

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Solution

The fourth proportional to 7,615.92, 10,511.34 and 4,472.28 is: 6,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.92 : 10,511.34 = 4,472.28 : x
  2. Step 2: Convert to fraction form
    7,615.92/10,511.34 = 4,472.28/x
  3. Step 3: Cross multiply
    7,615.92x = 10,511.34 × 4,472.28
  4. Step 4: Simplify right side
    7,615.92x = 47,009,655.66
  5. Step 5: Solve for x
    x = 47,009,655.66/7,615.92
  6. Step 6: Final answer
    x = 6,172.55

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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.