Home / 5,374.24-8,060.40-3,420.64

Finding the Fourth Proportional to 5,374.24, 8,060.40 and 3,420.64

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Solution

The fourth proportional to 5,374.24, 8,060.40 and 3,420.64 is: 5,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.24 : 8,060.40 = 3,420.64 : x
  2. Step 2: Convert to fraction form
    5,374.24/8,060.40 = 3,420.64/x
  3. Step 3: Cross multiply
    5,374.24x = 8,060.40 × 3,420.64
  4. Step 4: Simplify right side
    5,374.24x = 27,571,726.66
  5. Step 5: Solve for x
    x = 27,571,726.66/5,374.24
  6. Step 6: Final answer
    x = 5,130.35

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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.