Home / 4,980.42-7,468.47-1,692.63

Finding the Fourth Proportional to 4,980.42, 7,468.47 and 1,692.63

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Solution

The fourth proportional to 4,980.42, 7,468.47 and 1,692.63 is: 2,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.42 : 7,468.47 = 1,692.63 : x
  2. Step 2: Convert to fraction form
    4,980.42/7,468.47 = 1,692.63/x
  3. Step 3: Cross multiply
    4,980.42x = 7,468.47 × 1,692.63
  4. Step 4: Simplify right side
    4,980.42x = 12,641,356.38
  5. Step 5: Solve for x
    x = 12,641,356.38/4,980.42
  6. Step 6: Final answer
    x = 2,538.21

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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.