Home / 8,560.98-11,815.20-4,784.76

Finding the Fourth Proportional to 8,560.98, 11,815.20 and 4,784.76

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Solution

The fourth proportional to 8,560.98, 11,815.20 and 4,784.76 is: 6,603.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.98 : 11,815.20 = 4,784.76 : x
  2. Step 2: Convert to fraction form
    8,560.98/11,815.20 = 4,784.76/x
  3. Step 3: Cross multiply
    8,560.98x = 11,815.20 × 4,784.76
  4. Step 4: Simplify right side
    8,560.98x = 56,532,896.35
  5. Step 5: Solve for x
    x = 56,532,896.35/8,560.98
  6. Step 6: Final answer
    x = 6,603.55

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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.