Home / 5,453.08-8,178.18-1,557.70

Finding the Fourth Proportional to 5,453.08, 8,178.18 and 1,557.70

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Solution

The fourth proportional to 5,453.08, 8,178.18 and 1,557.70 is: 2,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.08 : 8,178.18 = 1,557.70 : x
  2. Step 2: Convert to fraction form
    5,453.08/8,178.18 = 1,557.70/x
  3. Step 3: Cross multiply
    5,453.08x = 8,178.18 × 1,557.70
  4. Step 4: Simplify right side
    5,453.08x = 12,739,150.99
  5. Step 5: Solve for x
    x = 12,739,150.99/5,453.08
  6. Step 6: Final answer
    x = 2,336.14

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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.