Home / 9,156.81-13,735.35-4,225.08

Finding the Fourth Proportional to 9,156.81, 13,735.35 and 4,225.08

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Solution

The fourth proportional to 9,156.81, 13,735.35 and 4,225.08 is: 6,337.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.81 : 13,735.35 = 4,225.08 : x
  2. Step 2: Convert to fraction form
    9,156.81/13,735.35 = 4,225.08/x
  3. Step 3: Cross multiply
    9,156.81x = 13,735.35 × 4,225.08
  4. Step 4: Simplify right side
    9,156.81x = 58,032,952.58
  5. Step 5: Solve for x
    x = 58,032,952.58/9,156.81
  6. Step 6: Final answer
    x = 6,337.68

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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.