Home / 5,681.02-8,521.14-3,490.06

Finding the Fourth Proportional to 5,681.02, 8,521.14 and 3,490.06

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Solution

The fourth proportional to 5,681.02, 8,521.14 and 3,490.06 is: 5,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.02 : 8,521.14 = 3,490.06 : x
  2. Step 2: Convert to fraction form
    5,681.02/8,521.14 = 3,490.06/x
  3. Step 3: Cross multiply
    5,681.02x = 8,521.14 × 3,490.06
  4. Step 4: Simplify right side
    5,681.02x = 29,739,289.87
  5. Step 5: Solve for x
    x = 29,739,289.87/5,681.02
  6. Step 6: Final answer
    x = 5,234.85

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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.