Home / 9,161.28-13,730.40-4,536

Finding the Fourth Proportional to 9,161.28, 13,730.40 and 4,536

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Solution

The fourth proportional to 9,161.28, 13,730.40 and 4,536 is: 6,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.28 : 13,730.40 = 4,536 : x
  2. Step 2: Convert to fraction form
    9,161.28/13,730.40 = 4,536/x
  3. Step 3: Cross multiply
    9,161.28x = 13,730.40 × 4,536
  4. Step 4: Simplify right side
    9,161.28x = 62,281,094.40
  5. Step 5: Solve for x
    x = 62,281,094.40/9,161.28
  6. Step 6: Final answer
    x = 6,798.30

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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.