Home / 5,031.50-6,943.78-2,907.11

Finding the Fourth Proportional to 5,031.50, 6,943.78 and 2,907.11

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Solution

The fourth proportional to 5,031.50, 6,943.78 and 2,907.11 is: 4,011.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.50 : 6,943.78 = 2,907.11 : x
  2. Step 2: Convert to fraction form
    5,031.50/6,943.78 = 2,907.11/x
  3. Step 3: Cross multiply
    5,031.50x = 6,943.78 × 2,907.11
  4. Step 4: Simplify right side
    5,031.50x = 20,186,332.28
  5. Step 5: Solve for x
    x = 20,186,332.28/5,031.50
  6. Step 6: Final answer
    x = 4,011.99

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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.