Home / 4,055.12-5,590.32-2,875.76

Finding the Fourth Proportional to 4,055.12, 5,590.32 and 2,875.76

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Solution

The fourth proportional to 4,055.12, 5,590.32 and 2,875.76 is: 3,964.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,055.12 : 5,590.32 = 2,875.76 : x
  2. Step 2: Convert to fraction form
    4,055.12/5,590.32 = 2,875.76/x
  3. Step 3: Cross multiply
    4,055.12x = 5,590.32 × 2,875.76
  4. Step 4: Simplify right side
    4,055.12x = 16,076,418.64
  5. Step 5: Solve for x
    x = 16,076,418.64/4,055.12
  6. Step 6: Final answer
    x = 3,964.47

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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.