Home / 4,775.40-7,162.77-1,488.18

Finding the Fourth Proportional to 4,775.40, 7,162.77 and 1,488.18

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Solution

The fourth proportional to 4,775.40, 7,162.77 and 1,488.18 is: 2,232.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.40 : 7,162.77 = 1,488.18 : x
  2. Step 2: Convert to fraction form
    4,775.40/7,162.77 = 1,488.18/x
  3. Step 3: Cross multiply
    4,775.40x = 7,162.77 × 1,488.18
  4. Step 4: Simplify right side
    4,775.40x = 10,659,491.06
  5. Step 5: Solve for x
    x = 10,659,491.06/4,775.40
  6. Step 6: Final answer
    x = 2,232.17

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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.