Home / 4,378.24-6,541.72-4,225.12

Finding the Fourth Proportional to 4,378.24, 6,541.72 and 4,225.12

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Solution

The fourth proportional to 4,378.24, 6,541.72 and 4,225.12 is: 6,312.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.24 : 6,541.72 = 4,225.12 : x
  2. Step 2: Convert to fraction form
    4,378.24/6,541.72 = 4,225.12/x
  3. Step 3: Cross multiply
    4,378.24x = 6,541.72 × 4,225.12
  4. Step 4: Simplify right side
    4,378.24x = 27,639,530.88
  5. Step 5: Solve for x
    x = 27,639,530.88/4,378.24
  6. Step 6: Final answer
    x = 6,312.93

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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.