Home / 8,563.48-11,818.20-4,787.38

Finding the Fourth Proportional to 8,563.48, 11,818.20 and 4,787.38

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Solution

The fourth proportional to 8,563.48, 11,818.20 and 4,787.38 is: 6,606.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.48 : 11,818.20 = 4,787.38 : x
  2. Step 2: Convert to fraction form
    8,563.48/11,818.20 = 4,787.38/x
  3. Step 3: Cross multiply
    8,563.48x = 11,818.20 × 4,787.38
  4. Step 4: Simplify right side
    8,563.48x = 56,578,214.32
  5. Step 5: Solve for x
    x = 56,578,214.32/8,563.48
  6. Step 6: Final answer
    x = 6,606.92

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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.