Home / 5,562.18-7,678.60-4,300.39

Finding the Fourth Proportional to 5,562.18, 7,678.60 and 4,300.39

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Solution

The fourth proportional to 5,562.18, 7,678.60 and 4,300.39 is: 5,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.18 : 7,678.60 = 4,300.39 : x
  2. Step 2: Convert to fraction form
    5,562.18/7,678.60 = 4,300.39/x
  3. Step 3: Cross multiply
    5,562.18x = 7,678.60 × 4,300.39
  4. Step 4: Simplify right side
    5,562.18x = 33,020,974.65
  5. Step 5: Solve for x
    x = 33,020,974.65/5,562.18
  6. Step 6: Final answer
    x = 5,936.70

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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.