Home / 5,285.30-7,291.28-3,714.31

Finding the Fourth Proportional to 5,285.30, 7,291.28 and 3,714.31

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Solution

The fourth proportional to 5,285.30, 7,291.28 and 3,714.31 is: 5,124.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.30 : 7,291.28 = 3,714.31 : x
  2. Step 2: Convert to fraction form
    5,285.30/7,291.28 = 3,714.31/x
  3. Step 3: Cross multiply
    5,285.30x = 7,291.28 × 3,714.31
  4. Step 4: Simplify right side
    5,285.30x = 27,082,019.19
  5. Step 5: Solve for x
    x = 27,082,019.19/5,285.30
  6. Step 6: Final answer
    x = 5,124.03

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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.