Home / 8,632.40-12,948.59-3,698.84

Finding the Fourth Proportional to 8,632.40, 12,948.59 and 3,698.84

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Solution

The fourth proportional to 8,632.40, 12,948.59 and 3,698.84 is: 5,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.40 : 12,948.59 = 3,698.84 : x
  2. Step 2: Convert to fraction form
    8,632.40/12,948.59 = 3,698.84/x
  3. Step 3: Cross multiply
    8,632.40x = 12,948.59 × 3,698.84
  4. Step 4: Simplify right side
    8,632.40x = 47,894,744.14
  5. Step 5: Solve for x
    x = 47,894,744.14/8,632.40
  6. Step 6: Final answer
    x = 5,548.25

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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.