Home / 6,448.02-9,674.10-3,161.40

Finding the Fourth Proportional to 6,448.02, 9,674.10 and 3,161.40

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Solution

The fourth proportional to 6,448.02, 9,674.10 and 3,161.40 is: 4,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.02 : 9,674.10 = 3,161.40 : x
  2. Step 2: Convert to fraction form
    6,448.02/9,674.10 = 3,161.40/x
  3. Step 3: Cross multiply
    6,448.02x = 9,674.10 × 3,161.40
  4. Step 4: Simplify right side
    6,448.02x = 30,583,699.74
  5. Step 5: Solve for x
    x = 30,583,699.74/6,448.02
  6. Step 6: Final answer
    x = 4,743.11

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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.