Home / 5,453.23-8,178.81-1,503.51

Finding the Fourth Proportional to 5,453.23, 8,178.81 and 1,503.51

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Solution

The fourth proportional to 5,453.23, 8,178.81 and 1,503.51 is: 2,254.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.23 : 8,178.81 = 1,503.51 : x
  2. Step 2: Convert to fraction form
    5,453.23/8,178.81 = 1,503.51/x
  3. Step 3: Cross multiply
    5,453.23x = 8,178.81 × 1,503.51
  4. Step 4: Simplify right side
    5,453.23x = 12,296,915.11
  5. Step 5: Solve for x
    x = 12,296,915.11/5,453.23
  6. Step 6: Final answer
    x = 2,254.98

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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.