Home / 6,460.80-9,685.05-2,075.18

Finding the Fourth Proportional to 6,460.80, 9,685.05 and 2,075.18

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Solution

The fourth proportional to 6,460.80, 9,685.05 and 2,075.18 is: 3,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,460.80 : 9,685.05 = 2,075.18 : x
  2. Step 2: Convert to fraction form
    6,460.80/9,685.05 = 2,075.18/x
  3. Step 3: Cross multiply
    6,460.80x = 9,685.05 × 2,075.18
  4. Step 4: Simplify right side
    6,460.80x = 20,098,241.08
  5. Step 5: Solve for x
    x = 20,098,241.08/6,460.80
  6. Step 6: Final answer
    x = 3,110.80

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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.