Home / 4,777.38-7,165.65-1,490.16

Finding the Fourth Proportional to 4,777.38, 7,165.65 and 1,490.16

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Solution

The fourth proportional to 4,777.38, 7,165.65 and 1,490.16 is: 2,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.38 : 7,165.65 = 1,490.16 : x
  2. Step 2: Convert to fraction form
    4,777.38/7,165.65 = 1,490.16/x
  3. Step 3: Cross multiply
    4,777.38x = 7,165.65 × 1,490.16
  4. Step 4: Simplify right side
    4,777.38x = 10,677,965.00
  5. Step 5: Solve for x
    x = 10,677,965.00/4,777.38
  6. Step 6: Final answer
    x = 2,235.11

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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.