Home / 4,725.77-7,090.47-1,803.40

Finding the Fourth Proportional to 4,725.77, 7,090.47 and 1,803.40

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Solution

The fourth proportional to 4,725.77, 7,090.47 and 1,803.40 is: 2,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.77 : 7,090.47 = 1,803.40 : x
  2. Step 2: Convert to fraction form
    4,725.77/7,090.47 = 1,803.40/x
  3. Step 3: Cross multiply
    4,725.77x = 7,090.47 × 1,803.40
  4. Step 4: Simplify right side
    4,725.77x = 12,786,935.87
  5. Step 5: Solve for x
    x = 12,786,935.87/4,725.77
  6. Step 6: Final answer
    x = 2,705.79

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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.