Home / 4,275.58-6,405.06-2,810.28

Finding the Fourth Proportional to 4,275.58, 6,405.06 and 2,810.28

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Solution

The fourth proportional to 4,275.58, 6,405.06 and 2,810.28 is: 4,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.58 : 6,405.06 = 2,810.28 : x
  2. Step 2: Convert to fraction form
    4,275.58/6,405.06 = 2,810.28/x
  3. Step 3: Cross multiply
    4,275.58x = 6,405.06 × 2,810.28
  4. Step 4: Simplify right side
    4,275.58x = 18,000,012.02
  5. Step 5: Solve for x
    x = 18,000,012.02/4,275.58
  6. Step 6: Final answer
    x = 4,209.96

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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.