Home / 5,575.68-8,362.88-1,680.08

Finding the Fourth Proportional to 5,575.68, 8,362.88 and 1,680.08

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Solution

The fourth proportional to 5,575.68, 8,362.88 and 1,680.08 is: 2,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.68 : 8,362.88 = 1,680.08 : x
  2. Step 2: Convert to fraction form
    5,575.68/8,362.88 = 1,680.08/x
  3. Step 3: Cross multiply
    5,575.68x = 8,362.88 × 1,680.08
  4. Step 4: Simplify right side
    5,575.68x = 14,050,307.43
  5. Step 5: Solve for x
    x = 14,050,307.43/5,575.68
  6. Step 6: Final answer
    x = 2,519.93

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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.