Home / 4,807.52-7,211.34-1,887.20

Finding the Fourth Proportional to 4,807.52, 7,211.34 and 1,887.20

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Solution

The fourth proportional to 4,807.52, 7,211.34 and 1,887.20 is: 2,830.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.52 : 7,211.34 = 1,887.20 : x
  2. Step 2: Convert to fraction form
    4,807.52/7,211.34 = 1,887.20/x
  3. Step 3: Cross multiply
    4,807.52x = 7,211.34 × 1,887.20
  4. Step 4: Simplify right side
    4,807.52x = 13,609,240.85
  5. Step 5: Solve for x
    x = 13,609,240.85/4,807.52
  6. Step 6: Final answer
    x = 2,830.82

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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.