Home / 7,818.59-10,787.30-4,835.38

Finding the Fourth Proportional to 7,818.59, 10,787.30 and 4,835.38

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Solution

The fourth proportional to 7,818.59, 10,787.30 and 4,835.38 is: 6,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.59 : 10,787.30 = 4,835.38 : x
  2. Step 2: Convert to fraction form
    7,818.59/10,787.30 = 4,835.38/x
  3. Step 3: Cross multiply
    7,818.59x = 10,787.30 × 4,835.38
  4. Step 4: Simplify right side
    7,818.59x = 52,160,694.67
  5. Step 5: Solve for x
    x = 52,160,694.67/7,818.59
  6. Step 6: Final answer
    x = 6,671.37

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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.