Home / 8,997.48-13,495.80-3,155.40

Finding the Fourth Proportional to 8,997.48, 13,495.80 and 3,155.40

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Solution

The fourth proportional to 8,997.48, 13,495.80 and 3,155.40 is: 4,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.48 : 13,495.80 = 3,155.40 : x
  2. Step 2: Convert to fraction form
    8,997.48/13,495.80 = 3,155.40/x
  3. Step 3: Cross multiply
    8,997.48x = 13,495.80 × 3,155.40
  4. Step 4: Simplify right side
    8,997.48x = 42,584,647.32
  5. Step 5: Solve for x
    x = 42,584,647.32/8,997.48
  6. Step 6: Final answer
    x = 4,732.95

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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.