Home / 7,031.21-10,550.91-2,649.00

Finding the Fourth Proportional to 7,031.21, 10,550.91 and 2,649.00

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Solution

The fourth proportional to 7,031.21, 10,550.91 and 2,649.00 is: 3,975.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.21 : 10,550.91 = 2,649.00 : x
  2. Step 2: Convert to fraction form
    7,031.21/10,550.91 = 2,649.00/x
  3. Step 3: Cross multiply
    7,031.21x = 10,550.91 × 2,649.00
  4. Step 4: Simplify right side
    7,031.21x = 27,949,395.19
  5. Step 5: Solve for x
    x = 27,949,395.19/7,031.21
  6. Step 6: Final answer
    x = 3,975.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.