Home / 5,590.34-8,386.38-1,693.82

Finding the Fourth Proportional to 5,590.34, 8,386.38 and 1,693.82

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Solution

The fourth proportional to 5,590.34, 8,386.38 and 1,693.82 is: 2,540.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.34 : 8,386.38 = 1,693.82 : x
  2. Step 2: Convert to fraction form
    5,590.34/8,386.38 = 1,693.82/x
  3. Step 3: Cross multiply
    5,590.34x = 8,386.38 × 1,693.82
  4. Step 4: Simplify right side
    5,590.34x = 14,205,018.17
  5. Step 5: Solve for x
    x = 14,205,018.17/5,590.34
  6. Step 6: Final answer
    x = 2,540.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.