Home / 4,810.68-7,215.90-3,251.40

Finding the Fourth Proportional to 4,810.68, 7,215.90 and 3,251.40

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Solution

The fourth proportional to 4,810.68, 7,215.90 and 3,251.40 is: 4,877.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.68 : 7,215.90 = 3,251.40 : x
  2. Step 2: Convert to fraction form
    4,810.68/7,215.90 = 3,251.40/x
  3. Step 3: Cross multiply
    4,810.68x = 7,215.90 × 3,251.40
  4. Step 4: Simplify right side
    4,810.68x = 23,461,777.26
  5. Step 5: Solve for x
    x = 23,461,777.26/4,810.68
  6. Step 6: Final answer
    x = 4,877.02

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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.