Home / 5,031.44-6,943.08-2,907.12

Finding the Fourth Proportional to 5,031.44, 6,943.08 and 2,907.12

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Solution

The fourth proportional to 5,031.44, 6,943.08 and 2,907.12 is: 4,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.44 : 6,943.08 = 2,907.12 : x
  2. Step 2: Convert to fraction form
    5,031.44/6,943.08 = 2,907.12/x
  3. Step 3: Cross multiply
    5,031.44x = 6,943.08 × 2,907.12
  4. Step 4: Simplify right side
    5,031.44x = 20,184,366.73
  5. Step 5: Solve for x
    x = 20,184,366.73/5,031.44
  6. Step 6: Final answer
    x = 4,011.65

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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.