Home / 4,655.75-6,421.58-3,161.07

Finding the Fourth Proportional to 4,655.75, 6,421.58 and 3,161.07

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Solution

The fourth proportional to 4,655.75, 6,421.58 and 3,161.07 is: 4,360.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,655.75 : 6,421.58 = 3,161.07 : x
  2. Step 2: Convert to fraction form
    4,655.75/6,421.58 = 3,161.07/x
  3. Step 3: Cross multiply
    4,655.75x = 6,421.58 × 3,161.07
  4. Step 4: Simplify right side
    4,655.75x = 20,299,055.42
  5. Step 5: Solve for x
    x = 20,299,055.42/4,655.75
  6. Step 6: Final answer
    x = 4,360.00

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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.