Home / 5,285.23-7,277.02-4,486.90

Finding the Fourth Proportional to 5,285.23, 7,277.02 and 4,486.90

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Solution

The fourth proportional to 5,285.23, 7,277.02 and 4,486.90 is: 6,177.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.23 : 7,277.02 = 4,486.90 : x
  2. Step 2: Convert to fraction form
    5,285.23/7,277.02 = 4,486.90/x
  3. Step 3: Cross multiply
    5,285.23x = 7,277.02 × 4,486.90
  4. Step 4: Simplify right side
    5,285.23x = 32,651,261.04
  5. Step 5: Solve for x
    x = 32,651,261.04/5,285.23
  6. Step 6: Final answer
    x = 6,177.83

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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.