Home / 9,337.25-12,885.45-5,145.50

Finding the Fourth Proportional to 9,337.25, 12,885.45 and 5,145.50

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Solution

The fourth proportional to 9,337.25, 12,885.45 and 5,145.50 is: 7,100.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.25 : 12,885.45 = 5,145.50 : x
  2. Step 2: Convert to fraction form
    9,337.25/12,885.45 = 5,145.50/x
  3. Step 3: Cross multiply
    9,337.25x = 12,885.45 × 5,145.50
  4. Step 4: Simplify right side
    9,337.25x = 66,302,095.89
  5. Step 5: Solve for x
    x = 66,302,095.89/9,337.25
  6. Step 6: Final answer
    x = 7,100.81

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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.