Home / 4,970.08-6,857.60-3,083.20

Finding the Fourth Proportional to 4,970.08, 6,857.60 and 3,083.20

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Solution

The fourth proportional to 4,970.08, 6,857.60 and 3,083.20 is: 4,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.08 : 6,857.60 = 3,083.20 : x
  2. Step 2: Convert to fraction form
    4,970.08/6,857.60 = 3,083.20/x
  3. Step 3: Cross multiply
    4,970.08x = 6,857.60 × 3,083.20
  4. Step 4: Simplify right side
    4,970.08x = 21,143,352.32
  5. Step 5: Solve for x
    x = 21,143,352.32/4,970.08
  6. Step 6: Final answer
    x = 4,254.13

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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.