Home / 5,285.43-7,294.23-2,927.52

Finding the Fourth Proportional to 5,285.43, 7,294.23 and 2,927.52

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Solution

The fourth proportional to 5,285.43, 7,294.23 and 2,927.52 is: 4,040.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.43 : 7,294.23 = 2,927.52 : x
  2. Step 2: Convert to fraction form
    5,285.43/7,294.23 = 2,927.52/x
  3. Step 3: Cross multiply
    5,285.43x = 7,294.23 × 2,927.52
  4. Step 4: Simplify right side
    5,285.43x = 21,354,004.21
  5. Step 5: Solve for x
    x = 21,354,004.21/5,285.43
  6. Step 6: Final answer
    x = 4,040.16

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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.