Home / 5,903.21-8,145.75-3,384.63

Finding the Fourth Proportional to 5,903.21, 8,145.75 and 3,384.63

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Solution

The fourth proportional to 5,903.21, 8,145.75 and 3,384.63 is: 4,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.21 : 8,145.75 = 3,384.63 : x
  2. Step 2: Convert to fraction form
    5,903.21/8,145.75 = 3,384.63/x
  3. Step 3: Cross multiply
    5,903.21x = 8,145.75 × 3,384.63
  4. Step 4: Simplify right side
    5,903.21x = 27,570,349.82
  5. Step 5: Solve for x
    x = 27,570,349.82/5,903.21
  6. Step 6: Final answer
    x = 4,670.40

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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.