Home / 4,762.38-7,146.18-1,988.49

Finding the Fourth Proportional to 4,762.38, 7,146.18 and 1,988.49

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Solution

The fourth proportional to 4,762.38, 7,146.18 and 1,988.49 is: 2,983.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,762.38 : 7,146.18 = 1,988.49 : x
  2. Step 2: Convert to fraction form
    4,762.38/7,146.18 = 1,988.49/x
  3. Step 3: Cross multiply
    4,762.38x = 7,146.18 × 1,988.49
  4. Step 4: Simplify right side
    4,762.38x = 14,210,107.47
  5. Step 5: Solve for x
    x = 14,210,107.47/4,762.38
  6. Step 6: Final answer
    x = 2,983.82

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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.