Home / 5,252.21-7,878.29-1,554.46

Finding the Fourth Proportional to 5,252.21, 7,878.29 and 1,554.46

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Solution

The fourth proportional to 5,252.21, 7,878.29 and 1,554.46 is: 2,331.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.21 : 7,878.29 = 1,554.46 : x
  2. Step 2: Convert to fraction form
    5,252.21/7,878.29 = 1,554.46/x
  3. Step 3: Cross multiply
    5,252.21x = 7,878.29 × 1,554.46
  4. Step 4: Simplify right side
    5,252.21x = 12,246,459.21
  5. Step 5: Solve for x
    x = 12,246,459.21/5,252.21
  6. Step 6: Final answer
    x = 2,331.68

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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.