Home / 8,995.20-13,487.04-3,798.40

Finding the Fourth Proportional to 8,995.20, 13,487.04 and 3,798.40

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Solution

The fourth proportional to 8,995.20, 13,487.04 and 3,798.40 is: 5,695.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.20 : 13,487.04 = 3,798.40 : x
  2. Step 2: Convert to fraction form
    8,995.20/13,487.04 = 3,798.40/x
  3. Step 3: Cross multiply
    8,995.20x = 13,487.04 × 3,798.40
  4. Step 4: Simplify right side
    8,995.20x = 51,229,172.74
  5. Step 5: Solve for x
    x = 51,229,172.74/8,995.20
  6. Step 6: Final answer
    x = 5,695.17

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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.