Home / 8,966.40-13,420.80-4,796

Finding the Fourth Proportional to 8,966.40, 13,420.80 and 4,796

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Solution

The fourth proportional to 8,966.40, 13,420.80 and 4,796 is: 7,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.40 : 13,420.80 = 4,796 : x
  2. Step 2: Convert to fraction form
    8,966.40/13,420.80 = 4,796/x
  3. Step 3: Cross multiply
    8,966.40x = 13,420.80 × 4,796
  4. Step 4: Simplify right side
    8,966.40x = 64,366,156.80
  5. Step 5: Solve for x
    x = 64,366,156.80/8,966.40
  6. Step 6: Final answer
    x = 7,178.60

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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.