Home / 4,675.40-6,451.78-2,907.16

Finding the Fourth Proportional to 4,675.40, 6,451.78 and 2,907.16

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Solution

The fourth proportional to 4,675.40, 6,451.78 and 2,907.16 is: 4,011.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675.40 : 6,451.78 = 2,907.16 : x
  2. Step 2: Convert to fraction form
    4,675.40/6,451.78 = 2,907.16/x
  3. Step 3: Cross multiply
    4,675.40x = 6,451.78 × 2,907.16
  4. Step 4: Simplify right side
    4,675.40x = 18,756,356.74
  5. Step 5: Solve for x
    x = 18,756,356.74/4,675.40
  6. Step 6: Final answer
    x = 4,011.71

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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.