Home / 8,935.24-13,402.88-4,315

Finding the Fourth Proportional to 8,935.24, 13,402.88 and 4,315

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Solution

The fourth proportional to 8,935.24, 13,402.88 and 4,315 is: 6,472.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.24 : 13,402.88 = 4,315 : x
  2. Step 2: Convert to fraction form
    8,935.24/13,402.88 = 4,315/x
  3. Step 3: Cross multiply
    8,935.24x = 13,402.88 × 4,315
  4. Step 4: Simplify right side
    8,935.24x = 57,833,427.20
  5. Step 5: Solve for x
    x = 57,833,427.20/8,935.24
  6. Step 6: Final answer
    x = 6,472.51

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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.