Home / 9,279.84-13,901.21-5,580.05

Finding the Fourth Proportional to 9,279.84, 13,901.21 and 5,580.05

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Solution

The fourth proportional to 9,279.84, 13,901.21 and 5,580.05 is: 8,358.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.84 : 13,901.21 = 5,580.05 : x
  2. Step 2: Convert to fraction form
    9,279.84/13,901.21 = 5,580.05/x
  3. Step 3: Cross multiply
    9,279.84x = 13,901.21 × 5,580.05
  4. Step 4: Simplify right side
    9,279.84x = 77,569,349.45
  5. Step 5: Solve for x
    x = 77,569,349.45/9,279.84
  6. Step 6: Final answer
    x = 8,358.91

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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.