Home / 4,178.90-6,266.03-1,715.45

Finding the Fourth Proportional to 4,178.90, 6,266.03 and 1,715.45

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Solution

The fourth proportional to 4,178.90, 6,266.03 and 1,715.45 is: 2,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.90 : 6,266.03 = 1,715.45 : x
  2. Step 2: Convert to fraction form
    4,178.90/6,266.03 = 1,715.45/x
  3. Step 3: Cross multiply
    4,178.90x = 6,266.03 × 1,715.45
  4. Step 4: Simplify right side
    4,178.90x = 10,749,081.12
  5. Step 5: Solve for x
    x = 10,749,081.12/4,178.90
  6. Step 6: Final answer
    x = 2,572.23

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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.