Home / 7,255.22-10,011.36-4,270.40

Finding the Fourth Proportional to 7,255.22, 10,011.36 and 4,270.40

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Solution

The fourth proportional to 7,255.22, 10,011.36 and 4,270.40 is: 5,892.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.22 : 10,011.36 = 4,270.40 : x
  2. Step 2: Convert to fraction form
    7,255.22/10,011.36 = 4,270.40/x
  3. Step 3: Cross multiply
    7,255.22x = 10,011.36 × 4,270.40
  4. Step 4: Simplify right side
    7,255.22x = 42,752,511.74
  5. Step 5: Solve for x
    x = 42,752,511.74/7,255.22
  6. Step 6: Final answer
    x = 5,892.66

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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.