Home / 4,775.80-6,590.66-2,887.10

Finding the Fourth Proportional to 4,775.80, 6,590.66 and 2,887.10

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Solution

The fourth proportional to 4,775.80, 6,590.66 and 2,887.10 is: 3,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.80 : 6,590.66 = 2,887.10 : x
  2. Step 2: Convert to fraction form
    4,775.80/6,590.66 = 2,887.10/x
  3. Step 3: Cross multiply
    4,775.80x = 6,590.66 × 2,887.10
  4. Step 4: Simplify right side
    4,775.80x = 19,027,894.49
  5. Step 5: Solve for x
    x = 19,027,894.49/4,775.80
  6. Step 6: Final answer
    x = 3,984.23

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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.