Home / 8,521.02-12,783.26-3,590.66

Finding the Fourth Proportional to 8,521.02, 12,783.26 and 3,590.66

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Solution

The fourth proportional to 8,521.02, 12,783.26 and 3,590.66 is: 5,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.02 : 12,783.26 = 3,590.66 : x
  2. Step 2: Convert to fraction form
    8,521.02/12,783.26 = 3,590.66/x
  3. Step 3: Cross multiply
    8,521.02x = 12,783.26 × 3,590.66
  4. Step 4: Simplify right side
    8,521.02x = 45,900,258.48
  5. Step 5: Solve for x
    x = 45,900,258.48/8,521.02
  6. Step 6: Final answer
    x = 5,386.71

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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.