Home / 4,378.85-6,537.09-4,225.07

Finding the Fourth Proportional to 4,378.85, 6,537.09 and 4,225.07

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Solution

The fourth proportional to 4,378.85, 6,537.09 and 4,225.07 is: 6,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.85 : 6,537.09 = 4,225.07 : x
  2. Step 2: Convert to fraction form
    4,378.85/6,537.09 = 4,225.07/x
  3. Step 3: Cross multiply
    4,378.85x = 6,537.09 × 4,225.07
  4. Step 4: Simplify right side
    4,378.85x = 27,619,695.03
  5. Step 5: Solve for x
    x = 27,619,695.03/4,378.85
  6. Step 6: Final answer
    x = 6,307.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.