Home / 4,538.80-6,807.75-1,251.55

Finding the Fourth Proportional to 4,538.80, 6,807.75 and 1,251.55

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Solution

The fourth proportional to 4,538.80, 6,807.75 and 1,251.55 is: 1,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538.80 : 6,807.75 = 1,251.55 : x
  2. Step 2: Convert to fraction form
    4,538.80/6,807.75 = 1,251.55/x
  3. Step 3: Cross multiply
    4,538.80x = 6,807.75 × 1,251.55
  4. Step 4: Simplify right side
    4,538.80x = 8,520,239.51
  5. Step 5: Solve for x
    x = 8,520,239.51/4,538.80
  6. Step 6: Final answer
    x = 1,877.20

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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.