Home / 4,655.61-6,987.60-4,161.24

Finding the Fourth Proportional to 4,655.61, 6,987.60 and 4,161.24

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Solution

The fourth proportional to 4,655.61, 6,987.60 and 4,161.24 is: 6,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,655.61 : 6,987.60 = 4,161.24 : x
  2. Step 2: Convert to fraction form
    4,655.61/6,987.60 = 4,161.24/x
  3. Step 3: Cross multiply
    4,655.61x = 6,987.60 × 4,161.24
  4. Step 4: Simplify right side
    4,655.61x = 29,077,080.62
  5. Step 5: Solve for x
    x = 29,077,080.62/4,655.61
  6. Step 6: Final answer
    x = 6,245.60

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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.