Home / 5,272.41-7,916.40-3,528.30

Finding the Fourth Proportional to 5,272.41, 7,916.40 and 3,528.30

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Solution

The fourth proportional to 5,272.41, 7,916.40 and 3,528.30 is: 5,297.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.41 : 7,916.40 = 3,528.30 : x
  2. Step 2: Convert to fraction form
    5,272.41/7,916.40 = 3,528.30/x
  3. Step 3: Cross multiply
    5,272.41x = 7,916.40 × 3,528.30
  4. Step 4: Simplify right side
    5,272.41x = 27,931,434.12
  5. Step 5: Solve for x
    x = 27,931,434.12/5,272.41
  6. Step 6: Final answer
    x = 5,297.66

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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.