Home / 7,822.55-10,795.40-4,285.75

Finding the Fourth Proportional to 7,822.55, 10,795.40 and 4,285.75

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Solution

The fourth proportional to 7,822.55, 10,795.40 and 4,285.75 is: 5,914.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.55 : 10,795.40 = 4,285.75 : x
  2. Step 2: Convert to fraction form
    7,822.55/10,795.40 = 4,285.75/x
  3. Step 3: Cross multiply
    7,822.55x = 10,795.40 × 4,285.75
  4. Step 4: Simplify right side
    7,822.55x = 46,266,385.55
  5. Step 5: Solve for x
    x = 46,266,385.55/7,822.55
  6. Step 6: Final answer
    x = 5,914.49

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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.