Home / 4,808.16-7,212.18-1,521.25

Finding the Fourth Proportional to 4,808.16, 7,212.18 and 1,521.25

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Solution

The fourth proportional to 4,808.16, 7,212.18 and 1,521.25 is: 2,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.16 : 7,212.18 = 1,521.25 : x
  2. Step 2: Convert to fraction form
    4,808.16/7,212.18 = 1,521.25/x
  3. Step 3: Cross multiply
    4,808.16x = 7,212.18 × 1,521.25
  4. Step 4: Simplify right side
    4,808.16x = 10,971,528.83
  5. Step 5: Solve for x
    x = 10,971,528.83/4,808.16
  6. Step 6: Final answer
    x = 2,281.86

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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.