Home / 7,661.24-10,560.52-6,406.44

Finding the Fourth Proportional to 7,661.24, 10,560.52 and 6,406.44

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Solution

The fourth proportional to 7,661.24, 10,560.52 and 6,406.44 is: 8,830.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.24 : 10,560.52 = 6,406.44 : x
  2. Step 2: Convert to fraction form
    7,661.24/10,560.52 = 6,406.44/x
  3. Step 3: Cross multiply
    7,661.24x = 10,560.52 × 6,406.44
  4. Step 4: Simplify right side
    7,661.24x = 67,655,337.75
  5. Step 5: Solve for x
    x = 67,655,337.75/7,661.24
  6. Step 6: Final answer
    x = 8,830.86

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Half scale
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Double 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.