Home / 4,649.12-6,977.06-2,185.64

Finding the Fourth Proportional to 4,649.12, 6,977.06 and 2,185.64

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Solution

The fourth proportional to 4,649.12, 6,977.06 and 2,185.64 is: 3,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,649.12 : 6,977.06 = 2,185.64 : x
  2. Step 2: Convert to fraction form
    4,649.12/6,977.06 = 2,185.64/x
  3. Step 3: Cross multiply
    4,649.12x = 6,977.06 × 2,185.64
  4. Step 4: Simplify right side
    4,649.12x = 15,249,341.42
  5. Step 5: Solve for x
    x = 15,249,341.42/4,649.12
  6. Step 6: Final answer
    x = 3,280.05

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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.