Home / 7,270.48-10,031.52-4,286.08

Finding the Fourth Proportional to 7,270.48, 10,031.52 and 4,286.08

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Solution

The fourth proportional to 7,270.48, 10,031.52 and 4,286.08 is: 5,913.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.48 : 10,031.52 = 4,286.08 : x
  2. Step 2: Convert to fraction form
    7,270.48/10,031.52 = 4,286.08/x
  3. Step 3: Cross multiply
    7,270.48x = 10,031.52 × 4,286.08
  4. Step 4: Simplify right side
    7,270.48x = 42,995,897.24
  5. Step 5: Solve for x
    x = 42,995,897.24/7,270.48
  6. Step 6: Final answer
    x = 5,913.76

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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.