Home / 9,265.04-12,786.99-5,487.90

Finding the Fourth Proportional to 9,265.04, 12,786.99 and 5,487.90

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Solution

The fourth proportional to 9,265.04, 12,786.99 and 5,487.90 is: 7,574.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,265.04 : 12,786.99 = 5,487.90 : x
  2. Step 2: Convert to fraction form
    9,265.04/12,786.99 = 5,487.90/x
  3. Step 3: Cross multiply
    9,265.04x = 12,786.99 × 5,487.90
  4. Step 4: Simplify right side
    9,265.04x = 70,173,722.42
  5. Step 5: Solve for x
    x = 70,173,722.42/9,265.04
  6. Step 6: Final answer
    x = 7,574.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.