Home / 4,448.72-6,666.15-3,130.10

Finding the Fourth Proportional to 4,448.72, 6,666.15 and 3,130.10

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Solution

The fourth proportional to 4,448.72, 6,666.15 and 3,130.10 is: 4,690.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.72 : 6,666.15 = 3,130.10 : x
  2. Step 2: Convert to fraction form
    4,448.72/6,666.15 = 3,130.10/x
  3. Step 3: Cross multiply
    4,448.72x = 6,666.15 × 3,130.10
  4. Step 4: Simplify right side
    4,448.72x = 20,865,716.12
  5. Step 5: Solve for x
    x = 20,865,716.12/4,448.72
  6. Step 6: Final answer
    x = 4,690.27

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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.