Home / 6,320.68-9,482.15-2,161.15

Finding the Fourth Proportional to 6,320.68, 9,482.15 and 2,161.15

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Solution

The fourth proportional to 6,320.68, 9,482.15 and 2,161.15 is: 3,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.68 : 9,482.15 = 2,161.15 : x
  2. Step 2: Convert to fraction form
    6,320.68/9,482.15 = 2,161.15/x
  3. Step 3: Cross multiply
    6,320.68x = 9,482.15 × 2,161.15
  4. Step 4: Simplify right side
    6,320.68x = 20,492,348.47
  5. Step 5: Solve for x
    x = 20,492,348.47/6,320.68
  6. Step 6: Final answer
    x = 3,242.11

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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.