Home / 5,011.68-7,476.72-4,882.80

Finding the Fourth Proportional to 5,011.68, 7,476.72 and 4,882.80

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Solution

The fourth proportional to 5,011.68, 7,476.72 and 4,882.80 is: 7,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.68 : 7,476.72 = 4,882.80 : x
  2. Step 2: Convert to fraction form
    5,011.68/7,476.72 = 4,882.80/x
  3. Step 3: Cross multiply
    5,011.68x = 7,476.72 × 4,882.80
  4. Step 4: Simplify right side
    5,011.68x = 36,507,328.42
  5. Step 5: Solve for x
    x = 36,507,328.42/5,011.68
  6. Step 6: Final answer
    x = 7,284.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.