Home / 4,507.64-6,760.63-1,220.31

Finding the Fourth Proportional to 4,507.64, 6,760.63 and 1,220.31

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Solution

The fourth proportional to 4,507.64, 6,760.63 and 1,220.31 is: 1,830.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.64 : 6,760.63 = 1,220.31 : x
  2. Step 2: Convert to fraction form
    4,507.64/6,760.63 = 1,220.31/x
  3. Step 3: Cross multiply
    4,507.64x = 6,760.63 × 1,220.31
  4. Step 4: Simplify right side
    4,507.64x = 8,250,061.34
  5. Step 5: Solve for x
    x = 8,250,061.34/4,507.64
  6. Step 6: Final answer
    x = 1,830.24

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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.