Home / 4,645.12-6,410.40-2,782.72

Finding the Fourth Proportional to 4,645.12, 6,410.40 and 2,782.72

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Solution

The fourth proportional to 4,645.12, 6,410.40 and 2,782.72 is: 3,840.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.12 : 6,410.40 = 2,782.72 : x
  2. Step 2: Convert to fraction form
    4,645.12/6,410.40 = 2,782.72/x
  3. Step 3: Cross multiply
    4,645.12x = 6,410.40 × 2,782.72
  4. Step 4: Simplify right side
    4,645.12x = 17,838,348.29
  5. Step 5: Solve for x
    x = 17,838,348.29/4,645.12
  6. Step 6: Final answer
    x = 3,840.23

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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.