Home / 4,643.09-6,410.44-2,875.70

Finding the Fourth Proportional to 4,643.09, 6,410.44 and 2,875.70

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Solution

The fourth proportional to 4,643.09, 6,410.44 and 2,875.70 is: 3,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.09 : 6,410.44 = 2,875.70 : x
  2. Step 2: Convert to fraction form
    4,643.09/6,410.44 = 2,875.70/x
  3. Step 3: Cross multiply
    4,643.09x = 6,410.44 × 2,875.70
  4. Step 4: Simplify right side
    4,643.09x = 18,434,521.93
  5. Step 5: Solve for x
    x = 18,434,521.93/4,643.09
  6. Step 6: Final answer
    x = 3,970.31

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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.