Home / 4,651.76-6,421.11-3,080.36

Finding the Fourth Proportional to 4,651.76, 6,421.11 and 3,080.36

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Solution

The fourth proportional to 4,651.76, 6,421.11 and 3,080.36 is: 4,252.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.76 : 6,421.11 = 3,080.36 : x
  2. Step 2: Convert to fraction form
    4,651.76/6,421.11 = 3,080.36/x
  3. Step 3: Cross multiply
    4,651.76x = 6,421.11 × 3,080.36
  4. Step 4: Simplify right side
    4,651.76x = 19,779,330.40
  5. Step 5: Solve for x
    x = 19,779,330.40/4,651.76
  6. Step 6: Final answer
    x = 4,252.01

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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.