Home / 9,778.28-13,495.38-5,586.44

Finding the Fourth Proportional to 9,778.28, 13,495.38 and 5,586.44

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Solution

The fourth proportional to 9,778.28, 13,495.38 and 5,586.44 is: 7,710.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.28 : 13,495.38 = 5,586.44 : x
  2. Step 2: Convert to fraction form
    9,778.28/13,495.38 = 5,586.44/x
  3. Step 3: Cross multiply
    9,778.28x = 13,495.38 × 5,586.44
  4. Step 4: Simplify right side
    9,778.28x = 75,391,130.65
  5. Step 5: Solve for x
    x = 75,391,130.65/9,778.28
  6. Step 6: Final answer
    x = 7,710.06

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Half scale
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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.