Home / 8,946.40-13,385.04-4,845.28

Finding the Fourth Proportional to 8,946.40, 13,385.04 and 4,845.28

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Solution

The fourth proportional to 8,946.40, 13,385.04 and 4,845.28 is: 7,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.40 : 13,385.04 = 4,845.28 : x
  2. Step 2: Convert to fraction form
    8,946.40/13,385.04 = 4,845.28/x
  3. Step 3: Cross multiply
    8,946.40x = 13,385.04 × 4,845.28
  4. Step 4: Simplify right side
    8,946.40x = 64,854,266.61
  5. Step 5: Solve for x
    x = 64,854,266.61/8,946.40
  6. Step 6: Final answer
    x = 7,249.20

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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.