Home / 7,521.53-11,275.91-4,235.56

Finding the Fourth Proportional to 7,521.53, 11,275.91 and 4,235.56

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Solution

The fourth proportional to 7,521.53, 11,275.91 and 4,235.56 is: 6,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.53 : 11,275.91 = 4,235.56 : x
  2. Step 2: Convert to fraction form
    7,521.53/11,275.91 = 4,235.56/x
  3. Step 3: Cross multiply
    7,521.53x = 11,275.91 × 4,235.56
  4. Step 4: Simplify right side
    7,521.53x = 47,759,759.88
  5. Step 5: Solve for x
    x = 47,759,759.88/7,521.53
  6. Step 6: Final answer
    x = 6,349.74

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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.