Home / 8,560.89-11,813.85-4,783.95

Finding the Fourth Proportional to 8,560.89, 11,813.85 and 4,783.95

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Solution

The fourth proportional to 8,560.89, 11,813.85 and 4,783.95 is: 6,601.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.89 : 11,813.85 = 4,783.95 : x
  2. Step 2: Convert to fraction form
    8,560.89/11,813.85 = 4,783.95/x
  3. Step 3: Cross multiply
    8,560.89x = 11,813.85 × 4,783.95
  4. Step 4: Simplify right side
    8,560.89x = 56,516,867.71
  5. Step 5: Solve for x
    x = 56,516,867.71/8,560.89
  6. Step 6: Final answer
    x = 6,601.75

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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.