Home / 5,455.95-7,528.59-3,217.65

Finding the Fourth Proportional to 5,455.95, 7,528.59 and 3,217.65

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Solution

The fourth proportional to 5,455.95, 7,528.59 and 3,217.65 is: 4,439.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.95 : 7,528.59 = 3,217.65 : x
  2. Step 2: Convert to fraction form
    5,455.95/7,528.59 = 3,217.65/x
  3. Step 3: Cross multiply
    5,455.95x = 7,528.59 × 3,217.65
  4. Step 4: Simplify right side
    5,455.95x = 24,224,367.61
  5. Step 5: Solve for x
    x = 24,224,367.61/5,455.95
  6. Step 6: Final answer
    x = 4,439.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.