Home / 7,088.90-10,634.96-2,158.92

Finding the Fourth Proportional to 7,088.90, 10,634.96 and 2,158.92

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Solution

The fourth proportional to 7,088.90, 10,634.96 and 2,158.92 is: 3,238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.90 : 10,634.96 = 2,158.92 : x
  2. Step 2: Convert to fraction form
    7,088.90/10,634.96 = 2,158.92/x
  3. Step 3: Cross multiply
    7,088.90x = 10,634.96 × 2,158.92
  4. Step 4: Simplify right side
    7,088.90x = 22,960,075.82
  5. Step 5: Solve for x
    x = 22,960,075.82/7,088.90
  6. Step 6: Final answer
    x = 3,238.88

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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.