Home / 7,818.57-11,730.56-4,893.39

Finding the Fourth Proportional to 7,818.57, 11,730.56 and 4,893.39

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Solution

The fourth proportional to 7,818.57, 11,730.56 and 4,893.39 is: 7,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.57 : 11,730.56 = 4,893.39 : x
  2. Step 2: Convert to fraction form
    7,818.57/11,730.56 = 4,893.39/x
  3. Step 3: Cross multiply
    7,818.57x = 11,730.56 × 4,893.39
  4. Step 4: Simplify right side
    7,818.57x = 57,402,180.53
  5. Step 5: Solve for x
    x = 57,402,180.53/7,818.57
  6. Step 6: Final answer
    x = 7,341.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.