Home / 4,185.60-5,775.80-2,507.52

Finding the Fourth Proportional to 4,185.60, 5,775.80 and 2,507.52

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Solution

The fourth proportional to 4,185.60, 5,775.80 and 2,507.52 is: 3,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.60 : 5,775.80 = 2,507.52 : x
  2. Step 2: Convert to fraction form
    4,185.60/5,775.80 = 2,507.52/x
  3. Step 3: Cross multiply
    4,185.60x = 5,775.80 × 2,507.52
  4. Step 4: Simplify right side
    4,185.60x = 14,482,934.02
  5. Step 5: Solve for x
    x = 14,482,934.02/4,185.60
  6. Step 6: Final answer
    x = 3,460.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.