Home / 8,912.04-13,359.22-4,223.76

Finding the Fourth Proportional to 8,912.04, 13,359.22 and 4,223.76

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Solution

The fourth proportional to 8,912.04, 13,359.22 and 4,223.76 is: 6,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.04 : 13,359.22 = 4,223.76 : x
  2. Step 2: Convert to fraction form
    8,912.04/13,359.22 = 4,223.76/x
  3. Step 3: Cross multiply
    8,912.04x = 13,359.22 × 4,223.76
  4. Step 4: Simplify right side
    8,912.04x = 56,426,139.07
  5. Step 5: Solve for x
    x = 56,426,139.07/8,912.04
  6. Step 6: Final answer
    x = 6,331.45

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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.