Home / 4,750.12-7,125.56-1,628.87

Finding the Fourth Proportional to 4,750.12, 7,125.56 and 1,628.87

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Solution

The fourth proportional to 4,750.12, 7,125.56 and 1,628.87 is: 2,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.12 : 7,125.56 = 1,628.87 : x
  2. Step 2: Convert to fraction form
    4,750.12/7,125.56 = 1,628.87/x
  3. Step 3: Cross multiply
    4,750.12x = 7,125.56 × 1,628.87
  4. Step 4: Simplify right side
    4,750.12x = 11,606,602.77
  5. Step 5: Solve for x
    x = 11,606,602.77/4,750.12
  6. Step 6: Final answer
    x = 2,443.44

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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.