Home / 9,141.70-12,615.44-5,364.19

Finding the Fourth Proportional to 9,141.70, 12,615.44 and 5,364.19

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Solution

The fourth proportional to 9,141.70, 12,615.44 and 5,364.19 is: 7,402.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.70 : 12,615.44 = 5,364.19 : x
  2. Step 2: Convert to fraction form
    9,141.70/12,615.44 = 5,364.19/x
  3. Step 3: Cross multiply
    9,141.70x = 12,615.44 × 5,364.19
  4. Step 4: Simplify right side
    9,141.70x = 67,671,694.49
  5. Step 5: Solve for x
    x = 67,671,694.49/9,141.70
  6. Step 6: Final answer
    x = 7,402.53

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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.