Home / 4,887.12-7,332.24-1,555.88

Finding the Fourth Proportional to 4,887.12, 7,332.24 and 1,555.88

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Solution

The fourth proportional to 4,887.12, 7,332.24 and 1,555.88 is: 2,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.12 : 7,332.24 = 1,555.88 : x
  2. Step 2: Convert to fraction form
    4,887.12/7,332.24 = 1,555.88/x
  3. Step 3: Cross multiply
    4,887.12x = 7,332.24 × 1,555.88
  4. Step 4: Simplify right side
    4,887.12x = 11,408,085.57
  5. Step 5: Solve for x
    x = 11,408,085.57/4,887.12
  6. Step 6: Final answer
    x = 2,334.32

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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.