Home / 4,678.10-7,011.08-1,901.54

Finding the Fourth Proportional to 4,678.10, 7,011.08 and 1,901.54

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Solution

The fourth proportional to 4,678.10, 7,011.08 and 1,901.54 is: 2,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.10 : 7,011.08 = 1,901.54 : x
  2. Step 2: Convert to fraction form
    4,678.10/7,011.08 = 1,901.54/x
  3. Step 3: Cross multiply
    4,678.10x = 7,011.08 × 1,901.54
  4. Step 4: Simplify right side
    4,678.10x = 13,331,864.21
  5. Step 5: Solve for x
    x = 13,331,864.21/4,678.10
  6. Step 6: Final answer
    x = 2,849.85

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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.