Home / 4,875.36-6,730.56-3,290.28

Finding the Fourth Proportional to 4,875.36, 6,730.56 and 3,290.28

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Solution

The fourth proportional to 4,875.36, 6,730.56 and 3,290.28 is: 4,542.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.36 : 6,730.56 = 3,290.28 : x
  2. Step 2: Convert to fraction form
    4,875.36/6,730.56 = 3,290.28/x
  3. Step 3: Cross multiply
    4,875.36x = 6,730.56 × 3,290.28
  4. Step 4: Simplify right side
    4,875.36x = 22,145,426.96
  5. Step 5: Solve for x
    x = 22,145,426.96/4,875.36
  6. Step 6: Final answer
    x = 4,542.32

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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.